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If maximum & minimum value of function f...

If maximum & minimum value of function `f(x)=x^(3)-6x^(2)+9x+1 AA x in [0, 2]` are M & m respectively, then value of `M – 2m` is :

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The correct Answer is:
`3.00`

`therefore M = 5` and m = 1
`M - 2m = 3`
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