JEE Main 202229 Jun, Morning shiftMathematicsMediumThree Dimensional Geometry249× since 2002
If the mirror image of the point (2, 4, 7) in the plane 3x y + 4z = 2 is (a, b, c), then 2a + b + 2c is equal to :
JEE Main 2022 · 29 Jun, Morning shift · Q2589