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Addition and Subtraction of Negative Numbers Using Algebra

Evaluate 5-1 ...

Question

Evaluate $[{(5^{- 1} \times 3^{- 1})}^{- 1} \div 6^{- 1}] .$

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Solution

$[{(5^{- 1} \times 3^{- 1})}^{- 1} \div 6^{- 1}] = [{(\frac{1}{5} \times \frac{1}{3})}^{- 1} \div \frac{1}{6}] = [{(\frac{1}{15})}^{- 1} \div \frac{1}{6}] = [15 \times 6] = 90$

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Addition and Subtraction of Negative Numbers Using Algebra

Standard VIII Mathematics

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