if x^2 -3xy +Ay^2 +3x - 5y + 2 = 0 represents a pair of straight lines, find A
if x^2 -3xy +Ay^2 +3x - 5y + 2 = 0 represents a pair of straight lines, find A
Kabir Jain , 7 Years ago
Grade 11
Analytical Geometry> if x^2 -3xy +Ay^2 +3x - 5y + 2 = 0 repres...
1 Answers
Arun
Just make it quadratic in x. Then find discriminant and use limitations.
Hence you will find A
Regards
Arun
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