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Determinante de uma matriz

BOTE FÉ NA MATEMÁTICA 3 questions 2,117 views

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Questions in this quiz (3)

  1. 1Considere a matriz \(A = \left( \begin{array}{rr}
    2 & 1 \\
    1 & 3
    \end{array}\right)\). Calcule Det(A).
    1. A5
    2. B4
    3. C6
    4. D7
  2. 2Seja \(A = \left( \begin{array}{rrr}
    2 & 0 & 2 \\
    1 & 5 & 6\\
    -1 & 3 & 4
    \end{array}\right)\). Calcule Det(A).
    1. A20
    2. B30
    3. C10
    4. D56
  3. 3Calcular o valor de \(x\), sabendo que \(A = \left| \begin{array}{rrr}
    3x & -3 & -1 \\
    1 & 0 & 3\\
    4 & 2 & 2x-1
    \end{array}\right|\) = 0.
    1. A\(x=-\frac{41}{12}\)
    2. B\(x=-41\)
    3. C\(x=-\frac{41}{13}\)
    4. D\(x=-\frac{42}{13}\)

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Description
Nessa Lista iremos trabalhar determinante de matriz de ordem 2 e 3
Language
Português
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