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The resultant of three vectors 1,2, and ...

The resultant of three vectors 1,2, and 3 units whose directions are those of the sides of an equilateral triangle is at what angle with respect to first vector?

A

`30^@` with the first vector

B

`15^@` with the first vector

C

` 100^@` with the first vector

D

`150^@` with the first vector

Text Solution

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The correct Answer is:
D
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