Vector Algebra Question 230
Question: If a, b, c are the position vectors of the vertices A, B, C of the triangle ABC, then the centroid of $ \Delta ,ABC $ is
[MP PET 1987]
Options:
A) $ \frac{\mathbf{a}+\mathbf{b}+\mathbf{c}}{3} $
B) $ \frac{1}{2},( \mathbf{a}+\frac{\mathbf{b}+\mathbf{c}}{2} ) $
C) $ \mathbf{a}+\frac{\mathbf{b}+\mathbf{c}}{2} $
D) $ \frac{\mathbf{a}+\mathbf{b}+\mathbf{c}}{2} $
Show Answer
Answer:
Correct Answer: A
Solution:
- It is obvious.
BETA
