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Eamcet Mathematics
Co - ordinate Geometry Pair of Lines
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Q.
Condition that the two lines represented by the equation ax
2
+ 2hxy +by
2
=0 to be perpendicular is
A.
ab=-1
B.
a=-b
C.
a=b
D.
ab=1
E.
None of the above
View Answer
Correct choice: B
Explanation:
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