MathematicsEasy249×since 2002Q2551A equation of a plane parallel to the plane x−2y+2z−5=0x-2y+2z-5=0x−2y+2z−5=0 and at a unit distance from the origin is :Ax−2y+2z−3=0x-2y+2z-3=0x−2y+2z−3=0Bx−2y+2z+1=0x-2y+2z+1=0x−2y+2z+1=0Cx−2y+2z−1=0x-2y+2z-1=0x−2y+2z−1=0Dx−2y+2z+5=0x-2y+2z+5=0x−2y+2z+5=0Check answerSkip