

MCQOPTIONS
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1. |
If the equation \[2{{x}^{2}}-2hxy+2{{y}^{2}}=0\] represents two coincident straight lines passing through the origin, then \[h=\] |
A. | \[\pm \text{ }6\] |
B. | \[\sqrt{6}\] |
C. | \[-\sqrt{6}\] |
D. | \[\pm \text{ }2\] |
Answer» E. | |