Question

find the dot product of two given vectors, u = <1,6> and v = <-5,-2>
A. -17
B -7
C. 7
D. 17

Answer 1

u.v = (1*-5) + (6*-2)  =  -5 - 12 = -17 <------- Answer

Answer 2

Answer:

A) -7 is the answer

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