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f(x) = sin^(-1) x+sec^(-1) x is defined ...

`f(x) = sin^(-1) x+sec^(-1) x` is defined for a)`"x" in [-1,1]` b)`"x" in [0,1]` c)`"x" in {-1,1}` d)None of these

A

`"x" in [-1,1]`

B

`"x" in [0,1]`

C

`"x" in {-1,1}`

D

None of these

Text Solution

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The correct Answer is:
C
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