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Grade: 11
        If the two lines are represented by the the equation (lamda)x^2+2y^2–5xy+5x–7y+3=0,then lamda equal to
9 months ago

Answers : (1)

Arun
13867 Points
							
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)
9 months ago
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