Questions
The combined equation represents the pair of lines and those lines are
a
Perpendicular
b
Parallel
c
Coincide
d
one makes angle 45°with other line
detailed solution
Correct option is A
If the equation ax2+2hxy+by2=0 represents a pair of perpendicular lines then a+b=0For the equation 5x2+4xy−5y2=0,a+b=−5+5=0Therefore, the equation 5x2+4xy−5y2=0represents a pair of perpendicular lines passing through the origin.Talk to our academic expert!
Similar Questions
The two lines represented by are perpendicular to each other for
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