If a=(2,5) and b=(1,4), then vector para...

If `a=(2,5) and b=(1,4)`, then vector parallel to (a+b) is

A

(3,5)

B

(1,1)

C

(1,3)

D

(8,5)

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The correct Answer is:

C

`a+b=3hati+9hatjj=3(hati+3hatj)`. Hence, it is parallel to (1,3).

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