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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

Grade:11

1 Answers

Arun
25758 Points
4 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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