JEE PYQ: Vector 3D Question 43
Question 43 - 2020 (08 Jan Shift 2)
The mirror image of the point $(1, 2, 3)$ in a plane is $\left(-\frac{7}{3}, -\frac{4}{3}, -\frac{1}{3}\right)$. Which of the following points lies on this plane?
(1) $(1, 1, 1)$
(2) $(1, -1, 1)$
(3) $(-1, -1, 1)$
(4) $(-1, -1, -1)$