how would i prove that lim of x^4 as x->p is p^4? x^4-p^4 = (x-p)(x+p)(x^2+p^2). I'm having trouble controlling the (x+p)(x^2+p^2) term without having to resort to proving for p > 0 and p < 0 seperately.(adsbygoogle = window.adsbygoogle || []).push({});

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# Homework Help: Delta epsilon

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