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Two vectors a and b have equal magni-tud...

Two vectors a and b have equal magni-tudes of 12 units. These vectors are making angles 30° and 120° with the x axis respectively. Their sum is r. Find the magnitude and the angle r makes with the +x axis.

A

`12sqrt(2), 75^(@)`

B

`12sqrt(2), 75^(@)` anti clockwise

C

`12, 45^(@)` clockwise

D

`12, 45^(@)` anti clockwise.

Text Solution

Verified by Experts

The correct Answer is:
B
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