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If 7x^(2)-kxy-7y^(2)=0 represents the jo...

If `7x^(2)-kxy-7y^(2)=0` represents the joint equation of the bisectors of the angles between the lines given by `2x^(2)-7xy+4y^(2)=0`, then k=

A

`4`

B

`-4`

C

`2`

D

`-2`

Text Solution

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The correct Answer is:
A
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NIKITA PUBLICATION-PAIR OF STRAIGHT LINES-MULTIPLE CHOICE QUESTIONS
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