Qual item a matriz A definida por A = (aij)3x3 onde aij = 1 para i = j e aij = 0, se i ≠ j está correta?
Matrizes

Quiz
•
Mathematics
•
10th Grade
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dada a matriz , o elemento que ocupa a terceira linha e segunda coluna é:
1
-4/5
-7
7
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dada a matriz, o valor de, é:
-1/2
-2/3
-1
5/2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A matriz A é definida de tal modo que
Então,A é igual a
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dada a matriz, são elementos de sua diagonal principal:
15, 6, 0, 1
15, 10, 5, 30
15, 4, 0, 8
30, 2, 0, 1
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
É uma matriz identidade:
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se A e B são matrizes 2 x 3, é verdade que a matriz A + B é:
não é possível fazer A + B
2 x 2
3 x 3
2 x 3
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