VectorHard
Question
A parallelogram is constructed on the vectors 
= 3
− 
, 
= 
+ 3
. and |
| = |
| the angle between 
and 
is 
, then the length of a diagonal of the parallelogram is-
= 3 − , = + 3. and || = || the angle between and is , then the length of a diagonal of the parallelogram is-Options
A.4 √5
B.√3
C.4 √7
D.None of these
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