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## Homework Statement

Find the second derivative of the function:

f(x)= x^(2/3) (6-x)^(1/3)

f(x)= x^(2/3) (6-x)^(1/3)

## Homework Equations

The chain, product and quotient rules

## The Attempt at a Solution

I have found the first derivative and checked my solution:

*′()= 4− / ^(1/3) (6−)^(2/3)*

The final solution is supposed to be:

*''()= -8 / ^(4/3) (6−)^(5/3)*

I know almost all the steps but I couldn't reach the final answer! Can you please help me?

Thanks in advance!