1.

Let f(x) be a continuous and differentiable function and f(y)f(x + y) = f(x) for all real values of x and y. If f(5) = 3 and f'(3) = 7 then the value of f'(8) is

Answer»

Let f(x) be a continuous and differentiable function and f(y)f(x + y) = f(x) for all real values of x and y. If f(5) = 3 and f'(3) = 7 then the value of f'(8) is



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