1.

The vector 40 + 30ĵ is added to a vector. The result gives 15 + 3ĵ as the answer. The unknown vector is _____

A. -25 27ĵ
B. 25 + 27ĵ
C. -25 + 27ĵ
D. 25 27ĵ
Answer» B. 25 + 27ĵ


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