Image of Point in Line (Jee Mains)

3D Line Equations and Skew

Hard

Image of Point in Line

If the image of the point P(a, 2, a) in the line $\frac{x}{2} = \frac{{y + a}}{1} = \frac{z}{1}$ is Q and the of image of Q in the line $\frac{{x - 2b}}{2} = \frac{{y - a}}{1} = \frac{{z + 2b}}{{ - 5}}$ is P, then a + b is equal to………..

Ask about this question