Evaluate this, given u = 4i + 2j +k, v = - j + 2k
| u - v |
This is how I attempted this. Am I approaching it correctly?
|(4i + 2j + k) -(- j + 2k)| = | 4i + 3j -k|
Then what? Square Root of the quantity (4^2 + 3^2 + (-1)^2) = 16 + 9 + 1 = 26
Answer : square root of 26
| u - v |
This is how I attempted this. Am I approaching it correctly?
|(4i + 2j + k) -(- j + 2k)| = | 4i + 3j -k|
Then what? Square Root of the quantity (4^2 + 3^2 + (-1)^2) = 16 + 9 + 1 = 26
Answer : square root of 26