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If OA=3i+4j and \(\overrightarrow{O...

If OA=3i+4j and OB=5i6j where O is the origin and M is the midpoint of AB, find OM

A.

-2i - 10j

B.

-2i + 2j

C.

4i - j

D.

4i + j

Correct answer is C

OA=(3,4)

OB=(5,6)

OM=(3+52,4+(6)2)

= (4,1)=4ij