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NDA Math Vector Algebra
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© examsnet.com
Question : 45
Total: 101
In a triangle ABC, if taken in order, consider the following statements:
1.
→
A
B
+
→
B
C
+
→
C
A
=
→
0
2.
→
A
B
+
→
B
C
−
→
C
A
=
→
0
3.
→
A
B
−
→
B
C
+
→
C
A
=
→
0
4.
→
B
A
−
→
B
C
+
→
C
A
=
→
0
How many of the above statements are correct?
[NDA II 2018]
One
Two
Three
Four
Validate
Solution:
From Δ law of vector addition
→
A
B
+
→
B
C
+
→
C
A
=
0
Only statement (1) is correct.
© examsnet.com
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