VectorHard
Question
The resultant of 
&
is 
. On reversing the vector 
, the resultant becomes 
. What is the value of 
?
&is . On reversing the vector , the resultant becomes . What is the value of ? Options
A.A2 + B2
B.A2 − B2
C.2(A2 + B2)
D.2(A2 − B2)
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