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Given that AB=5i+3j and \(\overrigh...

Given that AB=5i+3j and AC=2i+5j, find BC

A.

-7i - 8j

B.

-3i + 2j

C.

3i - 2j

D.

3i + 8j

Correct answer is B

BC=BA+AC

BA=AB=(5i+3j)

= 5i3j

BC=(5i3j)+(2i+5j)

= 3i+2j