Two vectors a and b have equal magnitude...

Two vectors a and b have equal magnitudes of 12 units. These vectors are making angles 30°and 120° with the x axis respectively. Their sum is r . Find the x and y components of r .

A

`(6 sqrt(3)-6),(6+6sqrt(3))`

B

`(6 sqrt(3)+6),(6+6sqrt(3))`

C

`(6 sqrt(3)-6),(6-6sqrt(3))`

D

`(6 sqrt(3)+6),(6-6sqrt(3))`

Text Solution

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The correct Answer is:

A

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