please help with this question

A curve with gradient function has a turning point at

a)Find the value of

very appreciate with who can solve this problem.

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- September 29th 2010, 09:07 AMmastermin346turning point problem
please help with this question

A curve with gradient function has a turning point at

a)Find the value of

very appreciate with who can solve this problem. - September 29th 2010, 09:27 AMmathaddict
- September 29th 2010, 09:30 AMmastermin346
can u do with step by step sir??i get the anwer but my answer not correct!

- September 29th 2010, 03:09 PMmr fantastic