A function has derivative f'(x)= x^2-1 x-2

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

Problem

A function ff has derivative f′(x)=x2−1x−2,x≠2,f'(x)=\frac{x^2-1}{x-2}, \qquad x\neq2, and f′(2)f'(2) is not defined. Determine all xx-values at which ff is not differentiable.

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