Find the projection of the vector ` hat i+3 hat j+7 hat k` on the vector `2 hat i-3 hat j+6 hat kdot`

Explanation

Projection of a and b=`((a*b)b)/|b|^2`

`=((1.2+3(-3)+7.6)(2hati-3hatj+6hatk))/(2^2+(-3)^2+6^2)`

`5/7(2hati-3hatj+6hatk)`.