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#include<iostream.h>

main()

{

int a[3][3],i,j,count=0;

cout<<"\nenter the 3x3 matrix :\n";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>a[i][j];

}

}

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cout<<a[i][j]<<" ";

}

cout<<"\n";

}

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Q: Program to Determine whether a given matrix is unit matrix or not?
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