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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

`S_(1)` only

B

`S_(2)` only

C

`S_(3)` only

D

`S_(1),S_(2),S_(3),S_(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
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