Question

I need to find the derivative of d). Can someone please fine y’ please.

Answer 1

= -2x/ ( x^2+5) ^2

Explanation:

y = 1/ ( x^2 +5)

y = ( x^2+5) ^ -1

dy/dx = -1 * (x^2 + 5) ^-2 * d/dx (x^2 + 5)

-1 * (x^2 + 5) ^-2 * 2x

= -2x/ ( x^2+5) ^2