FIND the first derivative of the following functions without necessarily using the first principle

i.) 1/x^3

ii.) x^1/3

iii.) Square root of x^3

iv.) 1/Square root of x

i.) The first derivative of 1/x^3 is -3/x^4

ii.) The first derivative of x^(1/3) is (1/3)x^(-2/3)

iii.) The first derivative of √x^3 is (3/2)x^(1/2)

iv.) The first derivative of 1/√x is -1/(2√x)