If for some α ∈ R, the lines L₁ and L₂... | 3D Geometry

JEE-MAIN 2020

05-09-2020 S2

Question

If for some $\alpha \in \mathrm{R}$, the lines $L_1: \frac{x+1}{2}=\frac{y-2}{-1}=\frac{z-1}{1}$ and $\mathrm{L}_2: \frac{\mathrm{x}+2}{\alpha}=\frac{\mathrm{y}+1}{5-\alpha}=\frac{\mathrm{z}+1}{1}$ are coplanar, then the line $L_2$ passes through the point :

Select the correct option:

(10, 2, 2)

(2, –10, –2)

10, –2, –2)

(–2, 10, 2)

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution