1.

If the slope of one of the lines given by \[a{{x}^{2}}+2hxy+b{{y}^{2}}=0\]is 5 times the other, then [Karnataka CET 2003]

A.            \[5{{h}^{2}}=ab\]               
B.            \[5{{h}^{2}}=9ab\]
C.            \[9{{h}^{2}}=5ab\]             
D.            \[{{h}^{2}}=ab\]
Answer» C.            \[9{{h}^{2}}=5ab\]             


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