ok, the reciprocal rule: g(x)' / g(x)^2(adsbygoogle = window.adsbygoogle || []).push({});

In this book I'm reading:

problem: -1/x^2

This seems simple, it should be -2/x^3 right?

But the answer says: 2x^(-3)

Am I missing something here?

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# I just can't get this

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