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The domain of the function f(x)=sqrt(2-...

The domain of the function `f(x)=sqrt(2-2x-x^2)` is

A

1)`-1 lte x lte = sqrt3`

B

2)`-1-sqrt3 le x le -1 + sqrt3`

C

3)`-2 le x le 2`

D

4)none of these

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The correct Answer is:
B
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