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The projection of the vector veca=2hat(i...

The projection of the vector `veca=2hat(i)-hatj+hatk` on the vector `vecb=hati-2hat(j)+hatk` will be

A

`(5)/(sqrt(6))` unit

B

`(2)/(sqrt(6))` unit

C

`(3)/(sqrt(5))` unit

D

`(4)/(sqrt(5))` unit

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The correct Answer is:
A
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CHHAYA PUBLICATION-QUESTION PAPER -2018-WBJEE
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