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If cos x - y^(2) - sqrt(y - x ^(2) - 1 )...

If `cos x - y^(2) - sqrt(y - x ^(2) - 1 )ge 0 ` , then

A

` y ge 1 `

B

`x in ` R

C

`y = 1 `

D

`x = 0`

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The correct Answer is:
3,4
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