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Given vec(A)=2 hat(i) - hat(j) + 2 hat(k). The unit vector of vec(A) - vec(B) is: |
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Answer» `vec(K)/sqrt(10)` `=3hati + hatj` `hat(N)=(vec(A) - vec(B))/(|vec(A)-vec(B)|)=(3hati + hatj)/sqrt(9+1)=(3hati + hatj)/sqrt(10)` |
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