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Mathematics, 05.12.2019 08:31 azainababbas

If f(x) = x2 − 81 and g(x) = (x − 9)-1 (x + 9), find g(x) · f(x).

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If f(x) = x2 − 81 and g(x) = (x − 9)-1 (x + 9), find g(x) · f(x)....

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