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The component of vector A=2hati+3hatj al...

The component of vector `A=2hati+3hatj` along the vector `hati+hatj` is

A

`(5)/(sqrt(2))`

B

`4sqrt(2)`

C

`(sqrt(2))/(3)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
(a) component of A along B `=acostheta(A.B)/(B)=(2+3)/(sqrt(1+1))=(5)/(sqrt(2))`
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