JEE Main 2019 Mathematics question
If a point R(4, y, z) lies on the line segment joining the points P(2, −3, 4) and Q(8, 0, 10), then the distance of R from the origin is:
Answer: (C)
Solution
t = 1/3 ⇒ R(4, −2, 6); OR = .
If a point R(4, y, z) lies on the line segment joining the points P(2, −3, 4) and Q(8, 0, 10), then the distance of R from the origin is:
t = 1/3 ⇒ R(4, −2, 6); OR = .