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Assertion (A): The domain of the functio...

Assertion (A): The domain of the function `sec^(-1) 2x` is `(- oo,-(1)/(2)] uu [ (1)/(2) , oo)`.
Reason ( R) : `sec^(-1) (-2) = - (pi)/(4)`

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

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