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11.The value of (7^(-1)-8^(-1))^(-1)-(3^...

11.The value of `(7^(-1)-8^(-1))^(-1)-(3^(-1)-4^(-1))^(-1)` is :

A

44

B

56

C

68

D

12

Text Solution

Verified by Experts

The correct Answer is:
A
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