VectorHard
Question
If 
= î + 2ĵ − 3
and 
= 3î − ĵ + 2
, then the angle between vectors 
+ 
and 
− 
is-
= î + 2ĵ − 3and = 3î − ĵ + 2, then the angle between vectors + and − is-Options
A.0o
B.30o
C.60o
D.90o
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