If three vectors along coordinate axes represent the adjacent sides of a cubie of length b, then the unit vector alongits diagonal passing through the origin will be

If three vectors along coordinate axes represent the adjacent sides of

1.	If three vectors along coordinate axes represent the adjacent sides of a cubie of length b, then the unit vector alongits diagonal passing through the origin will be
Answer» `(hati+hatj+hatk)/(sqrt(2))` `(hati+hatj+hatk)/(sqrt(3)b)` `hati+hatj+hatk` `(hati+hatj+hatk)/(sqrt(3))` Solution :(d) DIAGONAL VECTOR `A=bhati+bhatj+bhatk` or `A=sqrt(b^(2)+b^(2)+b^(2))=sqrt(3)b` ltbrrgt `:. hatA=A/A=(hati+hatj+hatk)/(sqrt(3))`