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The scalar projection of the vector 3 ha...

The scalar projection of the vector `3 hat(i) - hat(j) - 2 hat(k)` on the vector `hat(i) + 2hat(j) - 3hat(k)` is

A

`(7)/(sqrt(14))`

B

`(7)/(14)`

C

`(6)/(13)`

D

`(7)/(2)`

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