Mathematics for IGCSE & O level - Vectors (Section 4 - No. 14)
If vector v = [x, y], which formula represents the magnitude of v?
√(x - y)
x^2 + y^2
√(x^2 + y^2)
|x| + |y|
解释
The magnitude of a vector is computed as the square root of the sum of squares of components.