Question

if 1/x^2+5=1/9 then x=?
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Answer 1

Answer:

$\frac{1}{x {}^{2} } + 5 = \frac{1}{9}$

$\frac{1}{x {}^{2} } = \frac{1}{9} - 5$

$\frac{1}{x {}^{2} } = \frac{1 - 45}{9}$

$\frac{1}{x {}^{2} } = \frac{44}{9}$

$x {}^{2} = \frac{9}{44}$

$x = \frac{3}{2 \sqrt{11} }$

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