Question

if y=tan^-1(√a-x/a+x) where -a<x<a then dy/dx=

1. x/√a^2-x^2
2. a/√a^2-x^2
3. -1/2√a^2-x^2
4. 1/2√a^2-x^2​

Answer 1

Answer:

i dont understand the concept