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Unit vector along 3hat(i)+3hat(j) is...

Unit vector along `3hat(i)+3hat(j)` is

A

`(hat(i)+hat(j))/(sqrt(2))`

B

`(3hat(i)+3hat(j))/(2)`

C

`hat(i)+hat(j)`

D

`(hat(i)+hat(j))/(sqrt(3))`

Text Solution

Verified by Experts

The correct Answer is:
A
unit vector `=(3hat(i)+3hat(j))/(sqrt(3^(2)+3^(2)))=(hat(i)+hat(j))/(sqrt(2))`
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