-----> Huh? The first equation is the original, the second one is the answer. A hero is needed to assist me in this strange paradise of problem!
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Originally Posted by bossbasslol -----> Huh? The first equation is the original, the second one is the answer. A hero is needed to assist me in this strange paradise of problem! Start with the RHS and rationalise the denominator, OR, if you prefer to work in the order given, start with the LHS and rationalise the numerator.
Originally Posted by bossbasslol -----> [ATTACH=CONFIG]39151[/ATTACH $\left(\sqrt{25-(x+h)^2}-\sqrt{25-x^2}\right)\left(\sqrt{25-(x+h)^2}+\sqrt{25-x^2}\right)=\left(25-(x+h)^2-(25-x^2)\right)$ $ \begin{align*}&= \\ \end{align*}$
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