Dadas as matrizes a= (AIJ)2X2, SENDO aij= i elevado a j e B=(bij)2x2, sendo bij= j elevado a i, determine:
A) a11+ b11
B)a12 -b21
C)a21. b21
A) a11+ b11
B)a12 -b21
C)a21. b21
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Verified answer
Aij= i^j
a11 a12 1 1
a = A= 2 4
a21 a22
a11=1^1= 1
a12=1^2=1
a21=2^1=2
a22=2^2=4
Aij= i^j
a11 a12 1 2
b = B = 1 4
a21 a22
a11=1^1= 1
a12=2^1=2
a21=1^2=1
a22=2^2=4
A) a11+ b11 = 1 + 1 = 2
B)a12 -b21 = 1 - 1 = 0
C)a21. b21 = 2. 1 = 2