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प्रश्न
3–2 can be written as ______.
विकल्प
32
`1/3^2`
`1/3^-2`
`- 2/3`
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उत्तर
3–2 can be written as `underlinebb(1/3^2)`.
Explanation:
Using law of exponents,
`a^-m = 1/a^m` ...[∵ a is non-zero integer]
So, we can write `3^-2` as `1/3^2`.
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