MathematicsEasy249×since 2002Q2548Distance between two parallel planes 2x+y+2z=8\,2x + y + 2z = 82x+y+2z=8 and 4x+2y+4z+5=04x + 2y + 4z + 5 = 04x+2y+4z+5=0 is :A92{9 \over 2}29B52{5 \over 2}25C72{7 \over 2}27D32{3 \over 2}23Check answerSkip