If the point of intersection of | 3D | JEE Mains 2026

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Question

If the point of intersection of the lines $\frac{x+1}{3}=\frac{y+a}{5}=\frac{z+b+1}{7}$ and $\frac{x-2}{1}=\frac{y-b}{4}=\frac{z-2 a}{7}$ lies on $x y$-plane, then the value of $a+b$ is :

Select the correct option:

A

2

B

5

C

7

D

9

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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