KAROOLA KAROOLA

02-11-2017
Mathematics

contestada

How to do that? (Indices)

a[tex] \frac{1}{2} [/tex](a+[tex] \frac{1}{a} [/tex])

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jdoe0001 jdoe0001

02-11-2017

[tex]\bf a\cdot \cfrac{1}{2}\left(a+\cfrac{1}{a} \right)\impliedby \textit{let's distribute first} \\\\\\ \cfrac{a}{2}\left(a+\cfrac{1}{a} \right)\implies \cfrac{a}{2}\cdot a+\cfrac{\underline{a}}{2}\cdot \cfrac{1}{\underline{a}}\implies \cfrac{a^2}{2}+\cfrac{1}{2}\implies \cfrac{a^2+1}{2}[/tex]

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