The vector joining the points A (1, 1, –1) and B (2, –3, 4) and pointing from A to B is -
A
– 
+ 4 
– 5 
+ 4 – 5
B
+ 4 
+ 5 
C
– 4 
+ 5 
D
– 
– 4 
– 5 
– 4 – 5
Text Solution
Verified by ExpertsThe correct answer is:
C
A(1,1,–1) B(2, –3 , 4)
= 
– 
= (2, –3, 4) – (1, – 1, 1) = (1, –4, 5)
∴ 
= 
– 4 
+ 5 
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