If the angle between the two lines repre...

If the angle between the two lines represented by `2x^2+5xy+3y^2+2y+4=0 is tan ^(-1) (m) ` , then m is equal to

A

`-1/5`

B

`1/5`

C

`-3/5`

D

`3/5`

Verified by Experts

The correct Answer is:

B

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