prove f(x) is differentiable at x=1:(adsbygoogle = window.adsbygoogle || []).push({});

f(x)=2x^2 x(less than or equal to)1

4x-1 x>1

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# Prove f(x) is differentiable at x=1 where f(x)=2x^2 x=<1, =4x-1 x>1

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