If the sum of the slopes of the lines given by … is four times their product … has the value :

Option C. Let the lines be … and … then

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Straight Lines and Pair of Straight Lines

JEE Main 2004 · Annual, Paper 1 · Q5577

MathematicsEasy128×since 2002Q5577

If the sum of the slopes of the lines given by

{x^2} - 2cxy - 7{y^2} = 0

is four times their product

c

has the value :

JEE Main 2004 · Annual, Paper 1 · Q5577

MathematicsEasy128×since 2002Q5577

If the sum of the slopes of the lines given by

{x^2} - 2cxy - 7{y^2} = 0

is four times their product

c

has the value :