I came across this simple expression while doing some maths.(adsbygoogle = window.adsbygoogle || []).push({});

If [tex]\frac{d}{dx}f(x)=g(x)[/tex]

Then [tex]\frac{d}{dx}f(-x)=-g(-x)[/tex]

Is this correct? How do we prove it?

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# Differentiating f(-x)?

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