The value of for which the lines and intersect

MATHEMATICS · Single correct · CBSE · Mathematics · Three-Dimensional Geometry · Three-Dimensional Geometry

Problem

The value of

a

for which the lines

\frac{x-2}{1} = \frac{y-9}{2} = \frac{z-13}{3}

and

\frac{x-a}{-1} = \frac{y-7}{2} = \frac{z+2}{-3}

intersect, is (1)

-5

(2)

-2

(3)

5

(4)

-3