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Q.

If 4ab=3h2 then the ratio of the slopes of the lines represented by the equation ax2+2hxy+by2=0 will be

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a

2:1

b

3:1

c

2:1

d

1:3

answer is D.

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Detailed Solution

m1+m2=−2hb.......(1)m1−m2=2h2−abb=2h2−3h24b=hb.....(2)Solving (1) (2), we get m1=−h2b,m2=−3h2b
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