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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
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High School Which Value of x Minimizes the Absolute Function in 0<=x<=4?
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Graduate How Do You Determine Constants A, B, and C in the Function f(x, y, z)?
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High School Finding a Formula for Summing a Series with Polynomial Terms
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Graduate Are These Nascent Properties of the Dirac Delta Function Valid?
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Graduate How do you evaluate e^{\sqrt{i}} algebraically?
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Undergrad How Can I Evaluate These Integrals Using U-Substitution?
  • Ed Quanta
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Undergrad Solve Quadratic Equation with Imaginary Terms: (3-i)^2(3+i)/2-i
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11
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Undergrad How Does Differentiability Define a Function's Behavior?
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High School Solve f(x) + G(x) + H(x): x^2 + 5x + 1
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High School How Do You Graph Linear Functions Like f(x) = x + 3?
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High School What is the sum to infinity of geometric progressions?
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3
Undergrad How Does Euler's Formula Apply to e^(-2i*theta)?
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8
Undergrad How Do I Find the Potential Function for This Vector Field?
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6
Undergrad Learning Trig on my own I'm stuck and need assitance
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14
Graduate How was Eq. (24.2) obtained from Eq. (24.1)?
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Graduate Computing Complex Square Roots: A Function Theory Homework Problem
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4
Graduate Area element in polar co's/trouble with diff. forms
  • speeding electron
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7
Undergrad Are My Calculus Solutions Correct?
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High School What is the Rule of Correspondence in Mathematics?
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2
Graduate Using differentiation under integral sign to proof equality of mixed partials
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2
High School Solve Calculus Question: Positive and Negative Cases for x > 1/3
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4
Undergrad How can I find the exact area under the graphs of these two functions as limits?
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Graduate How Do You Solve This Fundamental Theorem Problem?
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High School Solve for (x) in F times G: (x - 3)^2 + 2 or x^2 - 6x + 11
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2
Undergrad [Integrals] Just can't quite finish this
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Graduate Strategies for Computing Limits Involving Square Roots and Rational Expressions
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Graduate What Are Critical Values in Non-Analytic Functions?
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2
Undergrad Could someone me simplify this so I can integrate it
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2
Undergrad AP Calculus AB and BC: Appropriate Book?
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2
Undergrad Approximations for e^x, sin and cos
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15
High School Composition and Identity of functions
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Undergrad Geometrical properties of arbitrary sections (2D)
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Graduate Finding Embedded Harmonics w/ Fourier Series & Integrals
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Undergrad How to Solve Inverse Trig Functions Without a Calculator?
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2
High School Solve (f+g-h)(5): Precalc Problem
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High School Solve Pre-Calc Interval Inequalities | Basic Tutorial
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Undergrad Interval with the leingth of 3
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4
Undergrad Can you prove the combinatorics equation nC(k-1) + nCk = (n+1)Ck for k > 0?
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4
Graduate Positive polynomial in two real variables
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Graduate Does Instantaneous Velocity Still Make Sense in Planck-Quantised Time and Space?
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Undergrad Tricky Partial Fraction: How to Express \frac{x^2}{(x-1)(x+1)} in Simple Terms"
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Graduate Solving Vector Field Flux with Gauss & Stokes
  • galipop
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4
Graduate Finding Optimal Parameters for Complex Function f(x)
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High School How Do You Solve y=sqrt(25-x^2) for y=3?
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Graduate Perfect Gen. Ordered Space Embeddable in Perfect Lin. Ordered Space
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Undergrad Integration of Gaussian equation
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Undergrad How can S3 be equal to the square of the sum of 1 to n?
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Undergrad How do you add functions with equal domain sets?
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Graduate Learn Geometric Lebesgue Integration | Suggestions Welcome
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High School Simple Integration by Substitution
  • adiles
  • · Replies 11 ·
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Undergrad Neater Method for Solving Series?
  • maverick280857
  • · Replies 2 ·
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2
Undergrad Increasing/Decreasing Intervals of y=|2-x| and x/(x^2)-1
  • parwana
  • · Replies 4 ·
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4
High School Find the limit algebraically lim ((x-1)/(x^2-1)) x ->
  • Haftred
  • · Replies 3 ·
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3
Undergrad What is the Explanation for a Horizontal Asymptote Always Being Above the Curve?
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6
Undergrad What is the Best Book for Learning Mathematical Proofs?
  • The_Brain
  • · Replies 13 ·
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13
Undergrad What is the solution to the improper integral of 1/x?
  • speeding electron
  • · Replies 8 ·
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8
Undergrad Particular Integral of arctan example
  • relinquished™
  • · Replies 7 ·
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Graduate Schwarz Inequality and Irrational Numbers
  • courtrigrad
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Graduate Control Theory & Neural Nets: Can It Help?
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Undergrad Understand Related Rates: Calculus Review
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Undergrad Is It Worth Taking Multiple Math Classes for a Good Professor?
  • JonF
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12
Graduate Help with Series: \Sum_{r=0}^{\infty}\frac{x^{2r}}{(1-x^{2r+1})(1-x^{2r+3})}
  • maverick280857
  • · Replies 12 ·
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12
Graduate Can Substitution Simplify the Integral of (x + arcsin(x)) / sqrt(1-x^2)?
  • cristina
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9
Undergrad Loc Max, Min, increase & decrease
  • rumaithya
  • · Replies 8 ·
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8
High School What is the Value of u(t) at t=0? - Ingyil
  • Ingyil
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2
Graduate How can I prove the solution for this problem involving integration?
  • ReyChiquito
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2
Undergrad Can someone me with a quick integral?
  • MaximumTaco
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3
Graduate I have a problem figuring this out
  • JasonRox
  • · Replies 2 ·
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2
Undergrad Integral of sec x: Solving Techniques and Tricks
  • Hyperreality
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2
Undergrad Unifying concepts in vector calculus
  • Gza
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3
High School Finding Derivatives: Power Rule vs Chain Rule
  • physicskid
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4