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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 sqrt3- 6), (6 + 6 sqrt3)`

B

`(6 sqrt3 + 6), (6 + 6 sqrt3)`

C

`(6 sqrt3 - 6), (6 - 6 sqrt3)`

D

`(6 sqrt3 + 6), (6- 6 sqrt3)`

Text Solution

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The correct Answer is:
A
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