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if x^2 -3xy +Ay^2 +3x - 5y + 2 = 0 represents a pair of straight lines, find A

Kabir Jain , 6 Years ago
Grade 11
anser 1 Answers
Arun

Last Activity: 6 Years ago

Just make it quadratic in x. Then find discriminant and use limitations.
 
Hence you will find A 
 
 
Regards
Arun

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