Let X and Y be vectors in R^3 which are non-collinear with the origin,and let Z be a vector in R^3 that does not lie on the plane spanned by X and Y.Then it is possible to express any other vector V in R^3 as a linear combination of X,Y,and Z.

Let X and Y be vectors in R^3 which are non-collinear with the origin,and let Z be a vector in R^3 that does not lie on the plane spanned by X and Y.Then it is possible to express any other vector V in R^3 as a linear combination of X,Y,and Z. For all numbers x and y,let x∆y be definedas x∆y = x2 + xy + y2.What is the valueof (3∆1)∆1?英文看不懂不要紧 关于概率的问题.请各位指教,a) Let W and Z be independent random variables both uniformly distributed on [-1,1].Derive the density functions of W+Z and W-Zb) Let X and Y be independent random variables both with density:f(x)=3x^2 (if 0 求英语帝数学帝进麻烦解下题,GIVE the vectors 向量a=(1,2,3),向量b＝(3,2,1) and 向量c＝(1,1,1)a) Calculate the angle & between 向量a and 向量b.b) Calculate:(向量a x 向量b)x 向量c.x＝乘c）what can you say about the vecto 英语翻译Let image pixel points be m×n,location features(X,Y) of pixel point(x,y) can bedenoted as Eq.(2).X=wxy*(x/max(m,n)),Y=wxy*(y/max(m,n)) (2)Where,max(.) is the maximum,wxy is generally in(0,1),and can be treated as the weight of space loca 高数微积分求体积Let R be the region {(x,y): 0 英文微积分题目Let R be the smaller of the two regions enclosed by the elipse 144x^2+16y^2=2304 and the line x=2^(3/2) . Find the area of the region R. Let us be quick and slow 为什么加be and god said let there be man and there was 一道编码理论里面的题目~Let x,y be codewords in a self-orthogonal binary code.Suppose the weights of x and y are both divisible by 4.Show that the weight of x + y is also a multiple of 4. .Let A and B be vector subspaces of a vector space V .The intersection of A and B,A ∩ B,is the.Let A and B be vector subspaces of a vector space V .The intersection of A and B,A ∩ B,is the set {x ∈ V | x ∈ A and x ∈ B}.The union of A and B, Baby let me be the one and only one Let me be the one and only one,can you? let me be the one,one and only one. to be and you just have to let go 请翻译:Let there be light and there was light. God said:Let light be,and allways light RT 线性代数,Let A be a 4 x 5 matrix and let U be the reduced row echelon form of A.Let A be a 4 x 5 matrix and let U be the reduced row echelon form of A.Ifa1=[2; 1; -3; -2] and a2=[-1; 2; 3; 1],U=[1 0 2 0 -1; 0 1 3 0 -2; 0 0 0 1 5; 0 0 0 0 0],where