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Popular >

simplify (2x-1/x)^2

Solution

simplify

(2 x - \frac{1}{x})^{2}

Solution

\frac{( 2 x ^{2} - 1 ) ^{2}}{x ^{2}}

Solution steps

(2 x - \frac{1}{x})^{2}

Join

2 x - \frac{1}{x} : \frac{2 x ^{2} - 1}{x}

= (\frac{2 x ^{2} - 1}{x})^{2}

Apply exponent rule:

(\frac{a}{b})^{c} = \frac{a ^{c}}{b ^{c}}

= \frac{( 2 x ^{2} - 1 ) ^{2}}{x ^{2}}

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Frequently Asked Questions (FAQ)

What is (2x-1/x)^2 ?
The solution to (2x-1/x)^2 is ((2x^2-1)^2)/(x^2)