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For some number b, (^1⁄b)^-n is equal to _________

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For some number b, (^1⁄b)^-n is equal to _________

(a) -b^n

(b) n^b

(c) b^n

(d) none of the mentioned

I got this question in an online interview.

My doubt stems from Number Theory and Cryptography topic in portion Number Theory and Cryptography of Discrete Mathematics

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Best answer
Correct option is (c) b^n

For explanation: b^-1  reciprocal of b.

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