Question

Foot of perpendicular from (1, 2, 3) to the line joining points (6, 7, 7) and (9, 9, 5) is-

• A. (5, 3, 9)
• B. (3, 5, 9)
• C. (9, 9, 5)
• D. (3, 9, 9)

Answer 1

Answer: (C)

(9, 9, 5)

Answer 2

L º $\left( \frac { 9 \lambda + 6 } { \lambda + 1 } , \frac { 9 \lambda + 7 } { \lambda + 1 } , \frac { 5 \lambda + 7 } { \lambda + 1 } \right)$

PL ^ AB