Mht Cet
Straight Lines And Pair Of Straight Lines
MHT CET 2021 23th September Morning Shift
MCQ+2 / -02021
If two lines represented by \(a x^2+2 h x y+b y^2=0\) makes angles \(\alpha\) and \(\beta\) with positive direction of \(\mathrm{X}\)-axis, then \(\tan (\alpha+\beta)=\)