Finding value

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labib1645
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Finding value

Unread post by labib1645 » Wed Sep 21, 2016 8:05 pm

If $\displaystyle \frac {x+1}{x} =2$, then $\displaystyle\frac{x^4+1}{x^4}=$ ?
Last edited by Phlembac Adib Hasan on Sat Sep 24, 2016 10:15 am, edited 1 time in total.
Reason: Latexed
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Phlembac Adib Hasan
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Re: Finding value

Unread post by Phlembac Adib Hasan » Mon Oct 10, 2016 10:22 am

$\dfrac{x+1}{x}=2\Longrightarrow x+1=2x\Longrightarrow x=1$
So $\dfrac{x^4+1}{x^4}=\dfrac{1+1}{1}=2$
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