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Simplify: { 4 − 1 × 3 − 1 } 2 - Mathematics

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Question

Simplify:
\[\left\{ 4^{- 1} \times 3^{- 1} \right\}^2\]

Sum
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Solution

\[\left\{ 4^{- 1} \times 3^{- 1} \right\}^2\] `=(1/4xx1/3)^2`  →(a−1 = 1/a)

\[= \left( \frac{1}{12} \right)^2\] 
\[= \frac{(1 )^2}{(12 )^2}\]    →((a/b)n = (an)/(bn))
\[= \frac{1}{144}\]
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Chapter 2: Powers - Exercise 2.2 [Page 18]

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RD Sharma Mathematics [English] Class 8
Chapter 2 Powers
Exercise 2.2 | Q 4.1 | Page 18

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