If a and b are unit vectors then the vector detrned aV=(a*b)*(1/a+b) is collinear to the vector(A) a+b(B) b-a(C) 2a-b(D) a+2b 相关知识点: 试题来源: 解析 a*b=1011b1sin(9 SACO=C⋅A ∴v=e*(a+b)=n(a+b) hence(Ais ca llincent vetorofi ...
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Step 1: Understand the properties of unit vectorsSince ^a and ^b are unit vectors, we have:|^a|=1and|^b|=1 Step 2: Use the property of the vector sumGiven that ^a+^b is also a unit vector, we can write:|^a+^b|=1 Step 3: Square both sidesSquaring the magnitude of the ve...
If x and y are unit vectors in and =1, then x and y are linearly independent.A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习
Let @ and b be two unit vectors such that the angle between them iSπ/(4) . If 0 is the angle between the vectors (@ + b) and (@ + 2b+ 2(@ × b)), then the value of 164 cos2 0 is equal to :Correct Answer A 90+27√2 B 45+18√2 c 90+3√2 D 54+90√2 ...
Show that if v and w are unit vectors such that ||v + w || = 3/2, then ||v - w|| = \frac{\sqrt{7{2}. Hint: show that v \cdot w= 1/8. For the given vectors \vec v = \langle 1, -3\rangle ...
If c = ||a|| b + ||b|| a, where a, b and c are all nonzero vectors, show that the vector c bisects the angle between a and b. Find the angle between the given vectors. u = \leftangle 2,1 \rightangle and v = \leftangle -1,...
1.(a)Using the dot product definition show that if u is another vector, then|u+v|≤|u|+|v|. (b)Show that||u|−|v||≤|u−v|. Dot Product of two vectors: Ifu→andv→are two vectors having an angleθbetween them, then...
Find two unit vectors orthogonal to both (9, 8, 1) and (-1, 1, 0). Find the two unit vectors orthogonal to both a = 3j + 2k and b = -i - 2k. Find two unit vectors that are orthogonal to both u = <0,1,2>and v = <1,-2,3>. ...
apersonally identifiable financial information 个人可识别的财政信息 [translate] a12 Month PL F&B Detail-应去掉Fb 12月PL F&B细节应去掉fb [translate] avar, cov and cor compute the variance of x and the covariance or correlation of x and y if these are vectors. If x and y are matrices then...