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If the angle between the two lines repre...

If the angle between the two lines represented by `2x^(2)+5xy+3y^(2)+6x+7y+4=0` is `tan^(-1)(m)`, then m is equal to

A

`1/5`

B

`1`

C

`7/5`

D

`7`

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The correct Answer is:
A
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