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The value of the expression "sech"^2 ("T...

The value of the expression `"sech"^2 ("Tanh"^(-1) (1//2))+"Cosech"^2 ("Coth"^(-1) 3) ` is

A

`35//9`

B

`43//4`

C

`35//4`

D

`43//9`

Text Solution

Verified by Experts

The correct Answer is:
C
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