Question

find dy/dx if y=x^-3
​

Answer 1

Answer:-3 x^-4

Explanation:Given: y= x^-3

The formula of derivative of y=x^n (where n is any real no.) Is nx^n-1

hence , dy/dx = d(x^-3)/dx= -3x^-3-1 =-3x^-4

Answer 2

y = x^-3

dy /dx is

$= - 3x {}^{ - 4}$

i hope it help you ❤️