Simplify- 1-2 -2 - 1-3 -2- 1-4 -2

(12 )^ 2 + (13 )^ 2 #160; + (14 )^ 2 = (21 )^2 + (31 )^2 + (41 )^2 =(2^2 + 3^2 + 4^2) = (4 + 9 + 16) = 29 ...

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Laws of Exponents for Real Numbers

Simplify: 1...

Question

Simplify: ${(\frac{1}{2})}^{- 2} + {(\frac{1}{3})}^{- 2} + {(\frac{1}{4})}^{- 2}$

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Solution

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\frac{3}{2} \div {\frac{1}{2} + \frac{1}{3} + \frac{1}{6} \div (\frac{3}{4} - \frac{1}{2})}

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\frac{1}{\sqrt{3} + \sqrt{2}} + \frac{1}{\sqrt{4} + \sqrt{3}} + \sqrt{2}

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${(\frac{1}{4})}^{- 2} + {(\frac{1}{2})}^{- 2} + {(\frac{1}{3})}^{- 2}$

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