derivative of 1/ cuberoot of x , using limit defintion

Question

deravitve of 1/ cuberoot of x , using limit defintion , with steps please

Answer 1

1/x^1/3 = x^-1/3

derivative brings the exponent down as a coefficient, and reduces the exponent by 1

(-1/3)x^-4/3 or

(-1/3)/x^4/3 or

-1/3x^4/3