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Show whether the first three vectors are linearly independent

V1= 1, 1, -2, -2

V2= 2, -3, 0, 2

V3= -2, 0, 2, 2

V4= 3, -3 -2, 2

Express 5,9-4 as a linear combination of the vectors

V1= ( 2, 4, -5)

V2= (3, 7, -8)

V3= (7, 6, 1)



Is there a linear map T : P2(R) ->R2 such that T(1) = (2, 3), T(1+x) = (-2, 7), and T(1+x+x^2) =
(0, 9)? Justify your answer.

It is possible for a set S of three vectors from R^3 to be linearly dependent, even though every subset of two vectors from LaTeX: S\:Sis linearly independent


Solve the following system of linear equations using the Gauss elimination method

with partial pivoting:

2x1 −x2 +x3 = 4

3x1 +2x2 −4x3 = 1

x1 +4x2 −2x3 = 2
in the following a set V, a field F, which is either R or C, and operations of addition + and scalar multiplication . , are given for alpha element of F and x element of V, we write their multiplication alpha × x as alpha • x, cheak whether V is a vector space over F, with these operations .

Find the projection of the vector v onto the subspace S.

S = span (0,1,1), (1,1,0),    v = (3,4,2)


proj_s v = ______


Find the general solution of the system
2x + 4y + 6z = 0
4x + 5y + 6z = 3
7x + 8y + 9z = 6:
1.) Find the sequence of elementary matrices whose product is:
A=[1/2 -3
2 3/15] << 2 x 2 matrix


2.) Solve the given SLE using LU-Factorization:
x(sub 1) + x(sub 2) + x(sub 3) = 3
x(sub1) - x(sub 2) + 4x(sub 3) = 4
2x(sub 1) + 3x(sub 2) - 5x(sub 3) = 0
Reduce the quadratic form x1^2 + 2X2x3 to canonical form
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