Question: Prove that the function x2 x - 1 | f (x) = x 1)(x 2) is differentiable for all r E (-0, 1) U

Prove that the function x2 x - 1 | f (x) = 

Prove that the function x2 x - 1 | f (x) = x 1)(x 2) is differentiable for all r E (-0, 1) U (1, 2) U (2, ). - |

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