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If alpha in (0,pi/2),t h e nsqrt(x^2+x)+...

If `alpha in (0,pi/2),t h e nsqrt(x^2+x)+(tan^2alpha)/(sqrt(x^2+x))` is always greater than or equal to `2tanalpha` `1` `2` `sec^2alpha`

A

`2 tan alpha`

B

1

C

2

D

`sec^2 alpha`

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The correct Answer is:
A
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