登入
Mathematics for IGCSE & O level - Vectors (Section 4 - No. 36)
If vector v = [x, y], which expression correctly describes the calculation of the magnitude of v?
x + y
x - y
√(x^2 + y^2)
√(x^2 - y^2)
解释
The magnitude is √(x^2 + y^2).
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面