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1 + (9 – 10)-5 = ………………………

A) 0 

B) -1 

C) 3 

D) 2

2 Answers

+1 vote
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Best answer

Correct option is (A) 0

\(1+(9-10)^{-5}\) \(=1+(-1)^{-5}=1+\frac1{(-1)^{5}}=1+\frac1{-1}\) = 1-1 = 0

+2 votes
by (38.9k points)

Correct option is  A) 0

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