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If the diagonal of the parallelogram formed by the line ax+by+c=0 ax+by+c'=0,px+qy+c=0,px+qy+c'=0 are perpendicular then p²+q² is equal to
2 months ago

Answers : (1)

Arun
17859 Points
							
Dear student 
I can give U a hint here,
Remember paralleogram with diagonal crossing each other at right angke is always a Rhombus.
Now if it is rhombus now u know what do next.
Equate their lengths. .i.e magnitude of the lines given.
 
Regards
Arun
 
 
2 months ago
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