Question

Determine a unit vector in the direction of a = 2 i + j + k .

Answer 1

______Hope it helps....

Answer 2

a=2i+j+k

unit vector= vector/own magnitude

so,

magnitude =(√2²+1²+1²)=√4+1+1=√6

therefore,

u.v=2i/√6,j/√6,k/√6.

#TQ...

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