If the equation `x^2 + alpha xy +3y^2 - 5x - 9y + beta = 0` represents a pair of straight line
23 views · Published 13 October 2018 · 11:21 · Indexed 1 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If the equation `x^2 + alpha xy +3y^2 - 5x - 9y + beta = 0` represents a pair of straight lines such that the portionsof axes between the lines are equal, then the value of `alpha` is
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