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If the angle between the lines represent...

If the angle between the lines represented by `2x^2+5xy+3y^2+7x+13y-3=0` is `tan^(-1) (m)` , then m is equal to

A

`|1/5|`

B

-1

C

`2/3`

D

none of these

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The correct Answer is:
D
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