For the given graphical representation of vector v, estimate a1 and a2 so that 
and calculate 
.
A. a1 = -7, a2 = -3; 
= 7.6
B. a1 = 3, a2 = 7; 
= 7.6
C. a1 = 3, a2 = 7; 
= 3.2
D. a1 = 3, a2 = 7; 
= 58
Answer: B
Mathematics
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+ C
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