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If the equation 2x^2 + 2hxy + 6y^2-4x +...

If the equation `2x^2 + 2hxy + 6y^2-4x + 5y-6 = 0` represents a pair of straight lines, then the length of intercept on the x-axis cut by the lines is equal to

A

2

B

`sqrt(7)`

C

4

D

0

Text Solution

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The correct Answer is:
C
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MARVEL PUBLICATION-PAIR OF STRAIGHT LINES-TEST YOUR GRASP
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