Question

Find the unit vector which is parallel to the vector a=2i+3j-k

Answer 1

Answer:

a=2i+3j-k

|a|=√(2^2+3^2+(-1)^2))

=√(4+9+1)=√14

Unit vector parallel to a= a/|a|

=(2i+3j-k)/√14

Unit vector parallel to a=2i/√14+3j/√14-k/√14

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