Let 
If 
is a vector such that 
and
and angle between 
then 
is
a)
b)
c)
2
d)
Let If is a vector such that and and angle between then is
a)
b)
c)
2
d)
Question ID - 54052 | SaraNextGen Top Answer
Let If is a vector such that and and angle between then is
a)
b)
c)
2
d)
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Let |
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a) |
|
b) |
|
c) |
2 |
d) |
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1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
Given, 
,
Now, 
Since, 
Now, 
….(i)
From Eq. (i),
127 votes
Answer Link
127