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If a = (2, 3, 1) and b = (1, -1, 4), what is a + b?
A(3, 2, 5)
B(3, 4, 5)
C(1, 4, -3)
D(3, 2, 3)
Answer & Solution
Correct answer: A. (3, 2, 5)
Adding component by component gives (2+1, 3-1, 1+4) = (3, 2, 5).
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