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ABCD is parallelogram. If L and M are th...

`ABCD` is parallelogram. If `L and M` are the middle points of BC and CD, then `bar(AL)+bar(AM)` equals

A

`(1)/(2)vecAC`

B

`(2)/(3)vecAC`

C

`(3)/(2)vecAC`

D

`(3)/(4)vecAC`

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