MathematicsMedium249×since 2002Q2442If two distinct point Q, R lie on the line of intersection of the planes −x+2y−z=0- x + 2y - z = 0−x+2y−z=0 and 3x−5y+2z=03x - 5y + 2z = 03x−5y+2z=0 and PQ=PR=18PQ = PR = \sqrt {18}PQ=PR=18 where the point P is (1, −-−2, 3), then the area of the triangle PQR is equal to :A2338{2 \over 3}\sqrt {38}3238B4338{4 \over 3}\sqrt {38}3438C8338{8 \over 3}\sqrt {38}3838D1523\sqrt {{{152} \over 3}}3152Check answerSkip