If the function `f(x) = x^(3)-24x^(2)+6kx-8` is maximum at x = 2 then find value of k.

If the function `f(x) = x^(3)-24x^(2)+6kx-8` is maximum at x = 2 then find value of k.
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If the function `f(x) = x^(3)-24x^(2)+6kx-8` is maximum at x = 2 then find value of k.
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