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Class 12MathematicsMatrixIntroduction to matricesEasy
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When are two matrices (A) and (B) called equal?

Answer and explanation

Correct answer: When their orders are same and corresponding elements are equal

For two matrices to be equal, their order must be the same. Also, every corresponding element must be equal.

Related tags

MatricesEqualityDefinitionIntroduction To MatricesMatrixMathematicsClass 12 Mcq
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10 more MCQs
  1. 1If a matrix has (3) rows and (4) columns, how many elements does it have?
  2. 2In the matrix \(A=[a_{ij}]_{2\times3}\), what does \(i\) represent?
  3. 3What does (a_{23}) mean in the matrix (A=[a_{ij}])?
  4. 4What type of matrix is (A=\begin{bmatrix}1&0\\0&1\end{bmatrix})?
  5. 5Which matrix is a square matrix?
  6. 6Let \(A=\begin{bmatrix}5&0\\0&5\end{bmatrix}\). What type of matrix is \(A\)?
  7. 7What is the value of \(a_{12}\) in \(A=\begin{bmatrix}1&2\\3&4\end{bmatrix}\)?
  8. 8What is the value of \(a_{21}\) in the matrix \(A=\begin{bmatrix}6&7&8\\9&10&11\end{bmatrix}\)?
  9. 9If \(A=[a_{ij}]_{2\times2}\) and \(a_{ij}=i+j\), what is the value of \(a_{22}\)?
  10. 10If \(A=[a_{ij}]\) is a \(3\times2\) matrix and \(a_{ij}=2i-j\), what is the value of \(a_{31}\)?
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