Let ff be a three-times differentiable real function such that f(x2)⋅f′′(x)=f′(x)⋅f′(x2)f(x^2)\cdot f''(x) = f'(x)\cdot f'(x^2) for all real xx. Given that f(1)=1f(1) = 1 and f′′′(1)=8f'''(1) = 8, find the value of f′(1)+f′′(1)f'(1) + f''(1).

Source: HMMT February 2007

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