If vectors →a1=x^i−^j+^k and →a2=^i+y^j+2^k are collinear, then – InterviewSolution

1.	If vectors →a1=x^i−^j+^k and →a2=^i+y^j+2^k are collinear, then a possible unit vector parallel to the vector x^i+y^j+z^k is :
Answer» If vectors ${\to a}_{1} = x^i -^j +^k$ and ${\to a}_{2} =^i + y^j + 2^k$ are collinear, then a possible unit vector parallel to the vector $x^i + y^j + z^k$ is :

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