(a⁻¹)⁻¹ এর মান কোনটি সঠিক?

A 1/a

B

C a

D 1/a²

Solution

Correct Answer: Option C

(a⁻¹)⁻¹ = 1/(a⁻¹)= 1/1/a= 1 x a/1= a

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