Jee Main
Straight Lines And Pair Of Straight Lines
JEE Main 2023 (Online) 24th January Evening Shift
INTEGER+4 / -12023
The equations of the sides AB, BC and CA of a triangle ABC are : \(2x+y=0,x+py=21a,(a\pm0)\) and \(x-y=3\) respectively. Let P(2, a) be the centroid of \(\Delta\)ABC. Then (BC)\(^2\) is equal to ___________.