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W = span{ [2,5,-1],[5,2,-1],[7,7,-2],[-1,8,-1],[-12,-9,6] }. 4.1 (1 mark) First

ID: 2938693 • Letter: W

Question

W = span{ [2,5,-1],[5,2,-1],[7,7,-2],[-1,8,-1],[-12,-9,6] }.
4.1(1 mark) First enter your basis for W as a set ofR3 row vectors where each row vector isentered as a list.
A basis for W =
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4.2(1 mark)
dim(W) =
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4.1(1 mark) First enter your basis for W as a set ofR3 row vectors where each row vector isentered as a list.
A basis for W =
You have not attempted this yet
4.1(1 mark) First enter your basis for W as a set ofR3 row vectors where each row vector isentered as a list.
A basis for W =
4.2(1 mark)
dim(W) =
You have not attempted this yet
4.2(1 mark)
dim(W) =
W = span{ [2,5,-1],[5,2,-1],[7,7,-2],[-1,8,-1],[-12,-9,6] }.

Explanation / Answer

SEE THE FOLLOWING ANALOGOUSEXAMPLE AND TRY.
IF STILL IN DIFFICULTY PLEASE COME BACK

Response Details: QuestionDetails: 4.1 First enter your basis for W as a set ofR3 row vectors where each row vector isentered as a list.
A basis for W = (-3,4,3),(-1,2,-3),(7,-10,13)

4.1 First enter your basis for W as a set ofR3 row vectors where each row vector isentered as a list.
A basis for W = (-3,4,3),(-1,2,-3),(7,-10,13)

4.2
dim(W) = 3....THREE 4.2
dim(W) = 3....THREE W = span{ [-3,4,-3],[-1,2,-3],[-4,6,-6],[5,-8,9],[7,-10,13] }.
W=              
V1    V2    V3   V4    V5
-3    -1    -4   5    7
4    2    6   -8    -10
-3    -3    -6   9    13
NR1=-R1/3…..NR2=R2+4R1/3….NR3=R3-R1              
1    0.333333333   1.333333333    -1.666666667   -2.333333333
0    0.666666667   0.666666667    -1.333333333   -0.666666667
0    -2    -2   4    6
NR1=R1-R2/2….NR2=1.5R2….NR3=R3+3R2              
1    0    1   -1    -2
0    1    1   -2    -1
0    0    0   0    4
THERE IS NO ALL ZEROS ROW
SO WE NEED 3 INDEPENDENT VECTORS TO FORM BASIS
SO WE CAN TAKE V1,V2,V5 AS THE BASIS
DIMENSION IS 3