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The angle between the pair of lines 2 x^...

The angle between the pair of lines `2 x^(2)+5 x y+2 y^(2)+3 x+3 y+1=0` is

A

`cos ^(-1) ((4)/(5))`

B

`tan ^(-1) ((4)/(5))`

C

0

D

`(pi)/(2)`

Text Solution

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The correct Answer is:
A
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