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Math Help - another question about limits at infinity

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    another question about limits at infinity

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    in the third step, why does the x^4 change to x^2?, distributing divides the power in half?
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    Re: another question about limits at infinity

    Quote Originally Posted by kingsolomonsgrave View Post
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    in the third step, why does the x^4 change to x^2?, distributing divides the power in half?
    It doesn't, it's been changed to \displaystyle \begin{align*} x^2 \cdot x^2 \end{align*}. It does this so you can divide each term in each of the factors by \displaystyle \begin{align*} x^2 \end{align*}.
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