Jee Main
Straight Lines And Pair Of Straight Lines
JEE Main 2026 (Online) 5th April Morning Shift
MCQ+4 / -12026
In an equilateral triangle $P Q R$, let the vertex $P$ be at $(3,5)$ and the side $Q R$ be along the line $x+y=4$. If the orthocentre of the triangle PQR is $(\alpha, \beta)$, then $9(\alpha+\beta)$ is equal to: