Differentatiation & integration

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SUMMARY

This discussion focuses on differentiation and integration problems involving trigonometric and logarithmic functions. The first problem requires finding the derivative of the function y = arccos(cos x) - e^Lnx^2, while the second involves differentiating y = (ln x)^2 - ln x^2. Additionally, the discussion includes a geometric problem involving the intersection of the curves y = x^3 and y^2 = x, where participants are tasked with calculating intersection points, sketching the area between the graphs, and determining both the area and volume generated by rotation around the x-axis.

PREREQUISITES
  • Understanding of differentiation techniques, including implicit differentiation.
  • Familiarity with trigonometric functions and their inverses, specifically arccos and cos.
  • Knowledge of logarithmic functions and their properties.
  • Basic skills in calculating areas and volumes of revolution in calculus.
NEXT STEPS
  • Study implicit differentiation methods for functions defined by equations like y^2 = x.
  • Learn about the properties and applications of arccos and cos in calculus.
  • Explore techniques for calculating areas between curves using definite integrals.
  • Investigate the method of disks/washers for finding volumes of solids of revolution.
USEFUL FOR

Students and educators in calculus, particularly those focusing on differentiation and integration techniques, as well as anyone preparing for advanced mathematics courses or exams.

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Homework Statement



1) y=arccos (cos x) - e^Lnx^2 find dy/dx

2) y=(lnx)^2- lnx^2 find dy/dx

3) Given y=x^3 and y^2=x

a) Calculate the points of intersection
b) Make a neat sketch to show the area enclosed between the two graphs (indicate the points of intersection & the representative strip)
c) Calculate the magnitude of the area in question (b)
d)Calculate the volume generated when the area in (b) rotates about the x axis



Homework Equations


1) y=arccos (cos x) - e^Lnx^2 find dy/dx

2) y=(lnx)^2- lnx^2 find dy/dx


The Attempt at a Solution

 
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