MathematicsMedium249×since 2002Q2521Let P\mathrm{P}P and Q\mathrm{Q}Q be the points on the line x+38=y−42=z+12\frac{x+3}{8}=\frac{y-4}{2}=\frac{z+1}{2}8x+3=2y−4=2z+1 which are at a distance of 6 units from the point R(1,2,3)\mathrm{R}(1,2,3)R(1,2,3). If the centroid of the triangle PQR is (α,β,γ)(\alpha, \beta, \gamma)(α,β,γ), then α2+β2+γ2\alpha^2+\beta^2+\gamma^2α2+β2+γ2 is :A18B24C26D36Check answerSkip