登入
Mathematics for IGCSE & O level - Vectors (Section 2 - No. 48)
In a parallelogram ABCD, with vectors AB = a and AD = b, which vector is equivalent to AC?
a - b
a + b
b - a
2a + 2b
解释
In a parallelogram, AC = AB + AD = a + b.
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面