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If two vector are equal and rheir result...

If two vector are equal and rheir resultant is also equal to one of them , then the angle between the two vector is

A

`120^(@)`

B

`90^(@)`

C

`60^(2)`

D

`0^(@)`

Text Solution

Verified by Experts

The correct Answer is:
d
`2a=sqrt(a^(2)+a^(2)+2a^(2) cos theta) rarr cos theta -1 rarr theta =0^(2)`
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