Saved Bookmarks
| 1. |
Find a value of x for which x(î + ĵ + k̂) is a unit vector. |
|
Answer» x(î + ĵ + k̂) = 1 ⇒ xî + xĵ + xk̂ = 1 ⇒ √(x2 + x2 + x2) = 1 ⇒ √3x2 = 1 ⇒ x = 1/√3 |
|