38618724
Description
Quiz by BOTE FÉ NA MATEMÁTICA, updated more than 1 year ago
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Created by BOTE FÉ NA MATEMÁTICA
almost 2 years ago
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Question 1
Question
Sendo \(A = \left( \begin{array}{rr}
7 & -1 \\
2 & 9
\end{array}\right)\) e \(B = \left( \begin{array}{rr}
1 & 1 \\
5 & -2
\end{array}\right)\),
determine A+B.
Answer
-
\(A+B=\left( \begin{array}{rr} 8 & 0 \\ 7 & 7 \end{array}\right)\)
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\(A+B=\left( \begin{array}{r} 8 \\ 14 \end{array}\right)\)
-
\(A+B=\left( \begin{array}{rr} 8 & 2 \\ 7 & -7 \end{array}\right)\)
Question 2
Question
Sempre é possível somar duas matrizes.
Answer
- True
- False
Question 3
Question
Dadas duas matrizes A e B de mesma ordem. Seja C=A+B, sempre poderemos realizar a soma C+A ou C+B.
Answer
- True
- False
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