The equations of the sides AB, BC, and CA of a triangle Δ ABC are… | JEE Main 2023 Mathematics PYQ

NVAMediumJEE Main 2023 · 24 January, Shift 2Basics: Distance, Section Formula, Locus

The equations of the sides $AB$ , $BC$ , and $CA$ of a triangle $\Delta ABC$ are: $2x + y = 0, \quad x + py = 21a \, (a \neq 0), \quad x - y = 3,$ and $P(2, a)$ is the centroid of $\Delta ABC$ . Then $(BC)^2$ is equal to:

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