1.

If the slope of one of the lines represented by \[a{{x}^{2}}+2hxy+b{{y}^{2}}=0\] be the square of the other, then

A.            \[{{a}^{2}}b+a{{b}^{2}}-6abh+8{{h}^{3}}=0\]
B.            \[{{a}^{2}}b+a{{b}^{2}}+6abh+8{{h}^{3}}=0\]
C.            \[{{a}^{2}}b+a{{b}^{2}}-3abh+8{{h}^{3}}=0\]
D.            \[{{a}^{2}}b+a{{b}^{2}}-6abh-8{{h}^{3}}=0\]
Answer» B.            \[{{a}^{2}}b+a{{b}^{2}}+6abh+8{{h}^{3}}=0\]


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