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Find the value of lambda if 2x^2+7x y+3y...

Find the value of `lambda` if `2x^2+7x y+3y^2+8x+14 y+lambda=0` represents a pair of straight lines

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To find the value of \( \lambda \) such that the equation \[ 2x^2 + 7xy + 3y^2 + 8x + 14y + \lambda = 0 \] represents a pair of straight lines, we will use the condition for a pair of straight lines given by the general equation: ...
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