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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

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A
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