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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

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

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1 Answers

Arun
25750 Points
5 years ago
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
 
 

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