3d Geometry — JEE Main 2021 · 26 Feb, Evening shift · Q2427 · Alror
3d Geometry
JEE Main 2021 · 26 Feb, Evening shift · Q2427
MathematicsMedium249×since 2002Q2427
Let L be a line obtained from the intersection of two planes x + 2y + z = 6 and y + 2z = 4. If point P(α, β, γ) is the foot of perpendicular from (3, 2, 1) on L, then the
value of 21(α + β + γ) equals :