(-1/5)-1 = ....................A) 3B) – 1 C) 5 D) – 5 – InterviewSolution

1.

(-1/5)-1 = ....................A) 3B) – 1 C) 5 D) – 5

Answer»

Correct option is (D) –5

\((\frac{-1}{5})^{-1}=(-5^{-1})^{-1}=(-1)^{-1}\times(5^{-1})^{-1}\) \(=\frac1{-1}\times5=-5\)

Correct option is D) – 5

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