Find the intervals in which `f(x)=x^4-4x^3+4x^2+15` is increasing or decreasing.
Find the intervals in which `f(x)=x^4-4x^3+4x^2+15` is increasing or decreasing.
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Correct Answer - (a) `f(x)` is increasing on `[0, 1] uu [2, oo]`
(b) `f(x)` is decreasing on `[-oo, 0] uu [-1, 2]`
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