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If the two lines are represented by the the equation (lamda)x^2+2y^2–5xy+5x–7y+3=0,then lamda equal to

If the two lines are represented by the the equation (lamda)x^2+2y^2–5xy+5x–7y+3=0,then lamda equal to

Grade:11

1 Answers

Arun
25763 Points
3 years ago
Dear Prasad
 
Put Delta = 0
Here
Delta = abc + 2fgh - af² - bg² - ch² = 0
 
Put all the values, hence you can simply find lambda.
 
 
Regards
Arun (askIITians forum expert)

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