Question: If f(x) = (x a) (x b) (x c), show that f(x)/ f(x) = 1/x a + 1/x b +

If f(x) = (x – a) (x – b) (x – c), show that f’(x)/ f(x) = 1/x – a + 1/x – b + 1/x – c

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