Question

A=2×2 tal que aij=i+j

B=2x2 tal que bij=i-j

Answer 1

A)(a11 a12)

(a21 a22)

a11=1+1=2

a12=1+2=3

a21=2+1=3

a22=2+2=4

(2 3)

(3 4)

B)(b11 b12)

(b21 b22)

b11=1-1=0

b12=1-2=-1

b21=2-1=1

b22=2-2=0

(0 -1)

(1 0)