MathematicsMedium249×since 2002Q2588Let the acute angle bisector of the two planes x −-− 2y −-− 2z + 1 = 0 and 2x −-− 3y −-− 6z + 1 = 0 be the plane P. Then which of the following points lies on P?A(3,1,−12)\left( {3,1, - {1 \over 2}} \right)(3,1,−21)B(−2,0,−12)\left( { - 2,0, - {1 \over 2}} \right)(−2,0,−21)C(0, 2, −-−4)D(4, 0, −-−2)Check answerSkip