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Differential Equations

Mixed approximation vs. full approximation for a power series expansion
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Undergrad Mixed approximation vs. full approximation for a power series expansion
Maximizing Limit Values for Exponential Functions with Variable Parameters
  • karush
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Undergrad How do you define unboundedness in Euclidean space?
  • Eclair_de_XII
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4
Graduate About the complex error function
  • luisgml_2000
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Graduate Double integration of functions involving bessel functions and cosines/sines
  • moonkhan
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Undergrad How was the damping scale of the CMB calculated?
  • Quarkly
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6
What is the Absolute Maximum Value of f in the Function f(x) = ln(x)/x?
  • karush
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5
Undergrad How to integrate with functions of differentials?
  • jk22
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8
Component of a vector perpendicular to another
  • Drain Brain
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5
Graduate The Mean Value Inequality: Understanding and Applications
  • quasar987
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Graduate How Can We Obtain Frame-Free Vector Derivative?
  • kryptyk
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Solving trig equation cos(x)=sin(x) + 1/√3
  • sp3
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3
2.6.62 inverse integrals with substitution
  • karush
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3
Graduate Show that c_1,c_2 Exist for Dirichlet Kernel Integral
  • Zaare
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Graduate Rewriting triple integrals e.g. dz dy dx -> dx dy dz
  • eeme
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Graduate Evaluating integrals using the residue theorem
  • sschmidt
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1
Undergrad What is the fundamental period of 3cos(1.3PiN) - 4sin(0.5piN + 0.5Pi)?
  • mbanghart
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Graduate How to do fourier transformation of power law functions
  • sufive
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1
Undergrad How Much Work Is Required to Lift a 25-ft Chain Up a Building?
  • fubag
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Graduate Why Is the Lower Bound of the Cauchy Product Greater Than w_{⌊n/2⌋}?
  • Bleys
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Graduate Is Lebesgue Outer Measure Uniquely Characterized by These Requirements?
  • Diophantus
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Graduate Can a connected metric space with at least two points be countable?
  • SiddharthM
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Graduate Motorcycle Lean Angle Calculation
  • motecben
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Undergrad Estimating error using comparison/limit comparison test
  • motornoob101
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1
Graduate How can the integral of exp(-x^n) be proven using polar coordinates?
  • nonequilibrium
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Graduate Proof of the implicit and inverse function theorems
  • r4nd0m
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Graduate What is the upper bound for the given function f(t,p)?
  • phonic
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1
Graduate Solve Non-Periodic Signal Equation: (1-\nabla^2)B
  • Heimdall
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1
Graduate Leibniz Rule (derivative of an integral)
  • Castilla
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1
Graduate Does this integration have a closed form solution?
  • anita chandra
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4
What Are the Horizontal Asymptotes of These Functions?
  • karush
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1
Undergrad How to integrate d2x/dt2 with respect to x?
  • Max Loo Pin Mok
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2
Trigonometric Sum Challenge Σtan^(-1)(1/(n^2+n+1)=π/2
  • lfdahl
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3
Simplifying $\cot^2(x)-\csc^2(x)$: 1
  • karush
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3
Undergrad Numerical Integration twice (acceleration to displacement)
  • Pcmath
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5
Volume of the solid obtained by rotating R around the line y=x
  • lfdahl
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2
Solving PDE using laplace transforms
  • TheFallen018
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4
Undergrad Textbook gives the gradient of a scalar as a scalar
  • ENgez
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2
Undergrad Does the sequence converge or diverge? (2^n)/(2n)
  • Salman Ali
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9
242 Derivatives of Logarithmic Functions of y=xlnx-x
  • karush
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Undergrad Is my interpretation of this three dimensional improper integral correct?
  • Beelzedad
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4
2.2.206 AP Calculus Practice question derivative of a composite sine
  • karush
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2
6.2.15 Find the domain of each function.
  • karush
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Undergrad What Are the Advantages of Epsilon-Delta Proofs in Mathematical Analysis?
  • NockWodz
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3.4.238 AP calculus exam Limits with ln
  • karush
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4.2.236 AP calculus Exam integral with u substitution
  • karush
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4
Undergrad The Continuum Hypothesis and Number e
  • Quasimodo
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2
High School Is there a condition for applying standard limits?
  • Mcp
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11
4.1.237 AP calculus exam find area
  • karush
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4
High School Question about expanding a function to first order
  • hgandh
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7
219 GRE what is the value of g'(1)
  • karush
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3
Undergrad What is the Topological Interpretation of Orders of Poles in Rational Functions?
  • dyn
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14
Undergrad Idea about single-point differentiability and continuity
  • hilbert2
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1
Maximize the sum of squared distances
  • lfdahl
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1
High School Convention when changing integral limits
  • etotheipi
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3
Undergrad Rudin Theorem 1.21: Maximizing t Value
  • Darshan
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6
Year 10 Maths Find the length and width that will maximize the area of rectangle
  • liang123993
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224 AP calculus Exam slope at a point (x,y)
  • karush
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2
How Does Constant Acceleration Affect Car Speed Over Time?
  • karush
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2
Graduate Calculation of Fourier Transform Derivative d/dw (F{x(t)})=d/dw(X(w))
  • Alexei_Nomazov
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It’s a korean high school math problem Can you solve this?
  • Lanca1
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219 AP Calculus Exam Inverse function
  • karush
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2.8.218 AP Calculus Exam f'(g(3))=
  • karush
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Truck Height Limit for Ellipse Overpass: 40ft Wide, 15ft High
  • Felidaei
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What Is the Total Distance Traveled by the Particle from t = 0 to t = 3?
  • karush
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4
Undergrad Fınding the position of a point on the line
  • Arman777
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217 AP Calculus Exam continous function with k
  • karush
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215 AP Calculus Exam Problem Power Rule
  • karush
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7
Undergrad How to know if a complex root is inside the unit circle
  • dyn
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5
Evaluating $f'(1)$ for $f(x)=7x-3+\ln(x)$
  • karush
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2.2.212 AP Calculus Exam problem find increasing interval
  • karush
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2
Undergrad If the mean of x is 0, is the mean of x-squared also 0?
  • Apashanka
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Driving San Diego to LA: 1h 10min Longer on a Fri Afternoon
  • karush
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2
Undergrad Integration: When to multiply by one or add zero?
  • Batcher
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3
2.2.211 AP Calculus Exam practice problem
  • karush
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243 parametric equations and motion direction
  • karush
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3
210 AP Calculus Exam problem tangent line to curve
  • karush
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2
Undergrad The fastest route between two points
  • ddddd28
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5
2.1.207 AP calculus practice exam problem Lim with tan(4X)/6x
  • karush
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2
1.1.205 AP calculus exam practice question
  • karush
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3
Need extra calculus practice? Check out my worksheets
  • Chris L T521
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2
Limit of integral challenge of (e^(-x)cosx)/(1/n+nx^2)
  • lfdahl
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2
4.2.204 AP calculus practice question
  • karush
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6
Graduate The partial derivative of a function that includes step functions
  • fahraynk
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3
1.4.203 AP calculus practice question on Limits
  • karush
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1
Undergrad What does it mean when an integral is evaluated over a single limit?
  • PainterGuy
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23
Undergrad Are Extra Conditions Affecting the Limit Definition?
  • Beelzedad
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1
High School Interpreting integration otherwise
  • archaic
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8
Graduate Making sense of the Differential of F at p, (where F: R^n -> R^m)
  • bigbalpha
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Undergrad Calculus- Area between two curves (minimize it)
  • Sidd
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Graduate Vector circulation. Stokes, Gauss and maybe more?
  • AlfredB
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1
Find Glass Thickness to Block 25% of Light in Sunglasses
  • fxacx
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2
Undergrad Ambiguous Results for two Fourier transform techniques
  • PainterGuy
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7
Undergrad Cauchy product of several series
  • m4r35n357
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4
Graduate Recursively defined numbers, need to show they are non-decreasing
  • math_question
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1
Undergrad Quick question for Finding EOM with diff eq
  • JaDi13
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1
Undergrad What if the Jacobian doesn't exist at finite points in domain of integral?
  • Mike400
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1
High School Is it possible to transform this equation?
  • somasimple
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4
Undergrad Is a Function Funny When Its Secant is Less Than a Certain Number?
  • spacey__
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4
Undergrad A canister is dropped from a helicopter 500m above the ground
  • gsphysics
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Graduate Integrals over chained functions
  • SchroedingersLion
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