If the lines represented by the equation \( a x^{2}-b x y-y^{2}=0 \) make angles \( \alpha \) an... VIDEO
If the lines represented by the equation \( a x^{2}-b x y-y^{2}=0 \) make angles \( \alpha \) and \( \beta \) with the \( x \)-axis, then \( \tan (\alpha+\beta)= \)https://bit.ly/YTAI_PWAP https://www.pw.live
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