f(x) = sqrt(4 - x) + (1)/(sqrt(x^(2) - 1...

`f(x) = sqrt(4 - x) + (1)/(sqrt(x^(2) - 1))` द्वारा परिभाषित फलन f का प्रान्त :

A

`(-oo, -1) cup (1, 4]`

B

`(-oo, -1] cup (1, 4]`

C

`(-oo, -1) cup [1, 4]`

D

`(-oo, -1) cup [1, 4]` है।

Verified by Experts

The correct Answer is:

A

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