Find A if the slopes of the line represented by 6x²-2xy + y²-0 are in the ratio 2:3
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Equation for pair of straight lines passing through origin.
(1)
As per equation of pair of straight lines passing through origin
m
1
×m
2
=6(2)∴(m 1
+m 21
32h
.
Using the value of this m
1
in (4) we get,
9
4h
2
=3or, h=± 227
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