Question

Find all the values of x for which the function is differentiable for y = square root of (1-x)/(1+x^2)

Answer 1

is the square root just over 1-x or over the whole fraction?

Answer 2

The whole fraction.

Answer 3

y = sqrt((1-x)/(1+x^2))
y' = ughh this will take forever

Answer 4

derivative of that iss...