The point of lines represented by and to each other for
two values of
for one value of
for no values of
As we learnt in
General equation of a conic -
- wherein
are constants
For perpendicular lines, sum of coefficients of x and y=0
So, there are two real values of a.
Option 1)
two values of
This option is correct
Option 2)
This option is incorrect
Option 3)
for one value of
This option is incorrect
Option 4)
for no values of
This option is incorrect
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