# The mirror image of the point (1,2,3)

Question:

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. $(1,-1,1)$

Correct Option: , 4

Solution: