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प्रश्न
If a = – 1, b = 2, then find the value of the following:
ab ÷ ba
उत्तर
Given, ab ÷ ba
If a = –1 and b = 2,
Then (–1)2 ÷ (2)–1 ...`[∵ a^-m = 1/a^m]`
= `1 ÷ 1/2^1`
= 1 × 2
= 2
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