For , let . Which value of in satisfies…

MATHEMATICS · Single correct · CBSE · Mathematics · Limits and Derivatives · Limits and Derivatives

Problem

For 0≤x≤30\le x\le 3, let f(x)=x3−6x2+9xf(x)=x^{3}-6x^{2}+9x. Which value of cc in (0,3)(0,3) satisfies f′(c)=0f'(c)=0? (a) c=2c=2 (b) c=32c=\dfrac{3}{2} (c) c=1c=1 (d) c=52c=\dfrac{5}{2}

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