jee-main 2025 Q79

jee-main · India · session2_04apr_shift1 Vectors 3D & Lines Shortest Distance Between Two Lines
Q79. The shortest distance between the lines $\frac { x - 3 } { 2 } = \frac { y + 15 } { - 7 } = \frac { z - 9 } { 5 }$ and $\frac { x + 1 } { 2 } = \frac { y - 1 } { 1 } = \frac { z - 9 } { - 3 }$ is
(1) $8 \sqrt { 3 }$
(2) $4 \sqrt { 3 }$
(3) $5 \sqrt { 3 }$
(4) $6 \sqrt { 3 }$
Q79. The shortest distance between the lines $\frac { x - 3 } { 2 } = \frac { y + 15 } { - 7 } = \frac { z - 9 } { 5 }$ and $\frac { x + 1 } { 2 } = \frac { y - 1 } { 1 } = \frac { z - 9 } { - 3 }$ is\\
(1) $8 \sqrt { 3 }$\\
(2) $4 \sqrt { 3 }$\\
(3) $5 \sqrt { 3 }$\\
(4) $6 \sqrt { 3 }$