Straight Lines and Pair of Straight Lines Part 1

Section: Mathematics

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Question : 100 of 100

Marks: +1, -0

If the pair of lines ax2+2hxy+by2+2gx+2fy+c=0 intersect on the y-axis then

[AIEEE 2002]

2fgh=bg2+ch2
bg2≠ch2
abc=2fgh
none of these

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