Question

guys plz help me not only answer but I also need to knw how to solve this so plzzz...

Answer 1

Given : aij=2i-j

a11 =1-1=0
a12= 1-2=-1
a21= 2- 1=1
a22=2-2 =0
a31 = 3-2=1
a32=2-3 =-1
matrix = 1 0 0
0 1 0

Answer 2

sorry 4 late!!!......answer of ur question..