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प्रश्न
`(-2)^31 xx (-2)^13 = (-2)^-`.
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उत्तर
(–2)31 × (–2)13 = `(-2)^bb(underline44)`.
Explanation:
Here, (–2)31 × (–2)13 = (–2)31 + 13 ...[∵ am × an = am + n]
= (–2)44
∴ (–2)31 × (–2)13 = (–2)44
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