Vector Algebra Question 272
Question: If O is origin and C is the mid-point of $ A(2,-1) $ and $ B(-4,,3) $ . Then value of $ \overrightarrow{OC} $ is
[RPET 2001]
Options:
A) i + j
B) i ? j
C) i + j
D) i ? j
Show Answer
Answer:
Correct Answer: C
Solution:
- Co-ordinate of C is $ ( \frac{2-4}{2},,\frac{-1+3}{2} )=(-1,,1) $
$ \therefore \overrightarrow{OC}=-\mathbf{i}+\mathbf{j} $ .
BETA
