Question

for two vectors a= i+2j-k and b= 2i+3j+2k find the unit vector parallel to resultant of two vector
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Answer 1

Resultant is a+b=3i+5j+k ( let c )

Unit vector parallel is c^ = c/mod of c

3i+5j+k/root of 3^2+5^2+1^2

Which is 3i+5j+k/root of 37

Hope it helps
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