Hello PurpleMath people!
Here's the question I once again need help with:
If y = [1+tan^(-1)x]^2
prove that:
(1+x^2)^2*(d2y/dx2)+2x(1+x^2)(dy/dx)= 2
Obtain equation relating (d3y/dx3), (d2y/dx2) and (dy/dx)
Thank you pros for helping!
JiaGengMaths wrote:If y = [1+tan^(-1)x]^2, prove that:
(1+x^2)^2*(d2y/dx2)+2x(1+x^2)(dy/dx)= 2
Obtain equation relating (d3y/dx3), (d2y/dx2) and (dy/dx)