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If the angle 2 theta is acute, then the ...

If the angle `2 theta` is acute, then the acute angle between the pair of lines `x^(2)(cos theta-sin theta)+2 x y cos theta+y^(2)(cos theta+sin theta)=0` is

A

`2 theta`

B

`(theta)/(2)`

C

`(theta)/(3)`

D

`theta`

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The correct Answer is:
D
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