Find the intervals of increase and decrease of the function defined on .

MATHEMATICS · Subjective · A Level · Mathematics · Differentiation · Differentiation

Problem

Find the intervals of increase and decrease of the function f(x)=x3−6x2+9x+1f(x)=x^{3}-6x^{2}+9x+1 defined on (−∞,∞)(-\infty,\infty).

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