Questions LLC
Login
or
Sign Up
Ask a New Question
Linear Algebra
Page 3
Questions (910)
1)Given that A=[2 4] and B=[11 3],find C such
[3 6]. [3 6 ] that B×C=A
4 answers
asked by
Maggie.K
49 views
Let W be the subspace of R5 spanned by the vectors w1, w2, w3, w4, w5, where
w1 = 2 −1 1 2 0 , w2 = 1 2 0 1 −2 , w3 = 4 3 1 4
4 answers
asked by
sara
2,399 views
Let A [ a1, a2, a3] be a 3x3 non-singular matrix, where
1 a ,[a1, a2, a3] are the three columns of A. Define a 3 x 4 matrix B by
2 answers
asked by
Sam
957 views
Solve the following system using Gauss's algorithm
(a) x1 + 2x2 + 4x3 + 6x4 = 3 2x1 + x2 + 3x3 = -6 -2x1 + x2 + 6x3 + 4x4 = -11
4 answers
asked by
Robert
1,262 views
I have a problem with the following homework question:
Which product represents the solution to the system: -y + 7x=14 -x + 4y=1
7 answers
asked by
Jennifer
720 views
docs(dot)google(dot)com/file/d/0B4uUFmATOigqbjAxU2tRNjVwa1E/edit?usp=sharing
(a) What is the inner product of the 3rd row and
57 answers
asked by
SS01
880 views
Can someone start me off on these and please explain step by step how you got everything because I'm having difficulty
2 answers
asked by
Alex
595 views
Find the matrix A such that
1 0 −1 3 A = −1 −8 2 11 . Hint: Let A = a b c d A=
4 answers
asked by
Bersy
2,399 views
Find a vector of length 3 that is perpendicular to [2,1,-2]
4 answers
asked by
maath
2,172 views
please help me with this question I have no idea how to solve it, thanks
Suppose T is a transformation from ℝ2 to ℝ2. Find
4 answers
asked by
shana
3,983 views
If matrix A = [ 0 1 , -1 1]
find the value of p and q such that (pl+qA)^2 =A.
4 answers
asked by
Kaur
1,317 views
If A, B, and C are 3×3 matrices; and det(A) = −3, det(B) = −2, and det(C) = −1 then compute:
det(2A^−1C^−1A^TC^2B^2) =
4 answers
asked by
sal
2,385 views
Given the following matrix A, find an invertible matrix U so that UA is equal to the reduced row-echelon form of A:
You can
4 answers
asked by
valarie
3,949 views
a vector parallel to the line of intersection of the planes. x-2y-z=6 and 3x-y+z=4
the answer is <3,4,-5> so first, I took the
4 answers
asked by
sam
1,588 views
Given the following vector X, find a non-zero square matrix A such that AX=0:
You can resize a matrix (when appropriate) by
5 answers
asked by
sal
4,802 views
If the borderline is tau equals zero,the eigen values are?
9 answers
asked by
Alan Zamora
2,864 views
Given vectors u= (1,-1,3) and v= (-4,5,3) find an ordered triple that represents vectors 3u-2v.
a.(16,1,-7) b.(11,-13,3)
5 answers
asked by
alana
2,663 views
Gauss elimination method 3x+4y+5z=18, 2x-y+8z=13, 5x-2y+7z=20
4 answers
asked by
Tamil
1,183 views
Find a unit vector u in the direction opposite of ⟨−3,−9,−9⟩.
4 answers
asked by
George
2,595 views
Find two unit vectors that make an angle of 60° with v = ‹3, 4›. Give your answers correct to three decimal places.
I'm not
4 answers
asked by
angles
3,392 views
Find the equation of the line that is the image set of the flattening,
f(x,y)=(3x-3y, x-y)
4 answers
asked by
s17
1,912 views
A matrix A is said to be skew symmetric if A^T = -A. Show that is a matrix is skew symmetric then its diagonal entries must all
3 answers
asked by
kevin
1,450 views
Determine the vector and parametric equations of the plane that passes through the points Q(-3/2 , 0 , 0) , R(0,-1,0) and S
3 answers
asked by
ola
482 views
Determine vector and parametric equations for the line through the point A(2, 5) with direction vector Vector m = (1, -3).
3 answers
asked by
Lort
519 views
Suppose T is a transformation from ℝ2 to ℝ2. Find the matrix A that induces T if T is reflection over the line y=−3/2x.
Ple
3 answers
asked by
sam
2,398 views
Which system is represented by the matrix equation below?
[-7 -2] [x] [14] [15 8] [y] = [-8]
4 answers
asked by
Kirston
631 views
Find the parametric equations for the line of intersection of the planes x+y+z=3 and x-y+2z=2
I took the cross product of the 2
4 answers
asked by
Mackenzie
2,318 views
Let A be an invertible n x n matrix, and let B be an n x p matrix. Explain why (A^-1)(B) can be computed by row reduction:
[A B]
3 answers
asked by
Jen
1,698 views
Prove : If an n*n matrix A can be expressed as a product of elementary matrices, Ax = b is consistent for every n*1 matrix b.
My
3 answers
asked by
A
768 views
Find a nonzero vector orthogonal to the plane through the points P, Q, and R.? Consider the points below.
P(0,-3,0), Q(4,1,-3),
3 answers
asked by
#1
2,722 views
Explain the notation M^-1 used for the inverse of a square matrix M.
I thought M^-1 would be a normal inverse matrix except the
4 answers
asked by
maath
626 views
This is a cross product problem:
Given uxv=<2,-3,0> find (u-5v)x(u+4v) I appreciate your help Thank you!
4 answers
asked by
Frank
975 views
For what value of t are these two vectors parallel?
a) r = 4i + tj and s = 14i - 12j What I Know: vectors are parallel if one is
4 answers
asked by
Anna
2,234 views
Let
L: R2 �¨ R2 be a linear transformation for which we know that L(1 1)= [-2 1] L(-1 1)=[3 2] a)what is L(-1 5) b)what is L(u
4 answers
asked by
hannah
1,571 views
I understand that the answer to this is a+b-c, but I'm not sure how to show working out for this. Any help would be great.
" O is
3 answers
asked by
Vectors
1,124 views
Find the scalar and vector projections of b onto a.
a = <3, −4> b = < 6, 0> compab projab
3 answers
asked by
Mike
2,226 views
Use the Gauss-Jordan method to find all the solutions of the system
-3x1 +2x2 -x3 +6x4 = -7 7x1 -3x2 +2x3 -11x4 = 14 x1 -x4 = 1
6 answers
asked by
Cladis
1,652 views
Do the vectors (2,0,1),(-2,0,0) and (2,3,0) lie on the same plane? Explain your reasoning.
3 answers
asked by
Melinda
502 views
For which value of k does the matrix
8 k -9 -3 have one real engenvalue of multiplicity 2? Explain.
4 answers
asked by
Anonymous
3,516 views
Three vectors A,B,and C are related to one another such that
5A + 6B = 60C. A fourth vector D exists such that 30C + D = A.
3 answers
asked by
joy
814 views
If v1,...,v4 are in R^4 and v3 is not a linear combination of v1, v2, v4 then {v1, v2, v3, v4] is linearly independent.
Is this
3 answers
asked by
Ashley
1,862 views
Suppose T: ℝ3→ℝ2 is a linear transformation. Let U and V be the vectors given below, and suppose that T(U) and T(V) are as
4 answers
asked by
Big L
460 views
Use a specific example to explore how the cross product behaves under scalar multiplication. Is it true that k (Vector a ×
3 answers
asked by
Bobby
1,411 views
For three vectors u, v and w show that:
(u×v).[(v×w)×(w×u)]= [u.(v×w)]^2 .
3 answers
asked by
gourav bhardwaj
850 views
The vector u = (4300, 5200) gives the number of units of two models of laptops produced by a company. The vector v = 1800, 1200
3 answers
asked by
will
1,855 views
Use a specific example to prove that the cross product is also not associative. That is, use three specific vectors in 3-space
3 answers
asked by
Adiana
2,684 views
This is a matrix question.
R is the matrix (3r 1) (s 2s) 1. State, in terms of s and r the determinant of R 2. If r=1/3 and s=4
3 answers
asked by
lindsay
643 views
Consider the planes given by the equations
2y−2x−z=2 x−2y+3z=7 (a) Find a vector v parallel to the line of intersection of
3 answers
asked by
Felicia
2,926 views
For which value(s) of k will the dot product of the vectors (k,2k-1, 3) and (k,5,-4) be 7?
I did this so far, 2k-1=5 6/2 k=3
3 answers
asked by
Jake
896 views
Write the scalar equation of the line given the normal vector n and Point P.
n = [3,1], P = (2,4).
3 answers
asked by
Anonymous
836 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (5)
Algebra
Calculus
Geometry
Math
Mathematics