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In Exercises 1 through 20, find the redundant column vectors of the given matrix A 鈥渂y inspection.鈥 Then find a basis of the image of A and a basis of the kernel of A.

17. [0120300014]

Short Answer

Expert verified

The redundant column vectors of matrix A are v鈬赌1,v鈬赌3andv鈬赌5.

The basis of the image of A =.10,01.

The basis of the kernel of A =localid="1659425873346" 10000,02-100,0304-1

Step by step solution

01

Finding the redundant vectors

Let v鈬赌1=00v鈬赌2=10,v鈬赌3=20,v鈬赌4=01,v鈬赌5=34

Here we have v鈬赌1=0.v鈬赌2,v鈬赌3=2.v鈬赌2andv鈬赌5,=3v鈬赌2+4v鈬赌4

v鈬赌2arev鈬赌4 non-redundant vectors androle="math" localid="1659424640461" v鈬赌1,v鈬赌3andv鈬赌5 are redundant vectors.

02

  Finding the basis of the image of A

The non-redundant column vectors of A form the basis of the image of A.

Since column vectors v鈬赌2andv鈬赌4are non-redundant vectors of matrix A, thus the basis of the image A =v鈬赌2,v鈬赌4i.e. 10,01

03

  Finding the basis of the kernel of A

Since the vectors v鈬赌1,v鈬赌3andv鈬赌5are redundant vectors such that

role="math" localid="1659425809735" v鈬赌1=0.v鈬赌2,v鈬赌3=2.v鈬赌2andv鈬赌5=3v鈬赌2+4v鈬赌4v鈬赌1-0.v鈬赌2=0,2v鈬赌2-v鈬赌3=0and3v鈬赌2+3v鈬赌2+4v鈬赌4-v鈬赌5=0ThusthevectorsinkernelofAisw鈬赌1=10000,w鈬赌2=02-100,w鈬赌3=0304-1.

04

Final Answer

The redundant column vectors of matrix A are v鈬赌1,v鈬赌3andv鈬赌5

The basis of the image of A =10,01.

The basis of the kernel of A =10000,02-100,0304-1

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