Vector Algebra Question 291
Question: If the position vectors of the points A and B be $ 2,\mathbf{i}+3,\mathbf{j}-\mathbf{k} $ and $ -2,\mathbf{i}+3,\mathbf{j}+4,\mathbf{k}, $ then the line AB is parallel to
Options:
A) xy-plane
B) yz-plane
C) zx-plane
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
- $ \overrightarrow{AB}=-4\mathbf{i}+5\mathbf{k} $ , which is a vector lying in a plane parallel to $ xz- $ plane.
BETA
