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Given f(x)=x^(3)-12x^(2)+45x+8 Find the...

Given `f(x)=x^(3)-12x^(2)+45x+8` Find the values of x for which f'(x)=0 . Hence , determine the maximum and minimum values of f(x).

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The correct Answer is:
`=5^(3)-12xx5^(2)+45xx5+8=58 " " ["putting", x=5 " in"(1)]`.
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