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प्रश्न
If \[A=[a_{ij}]_{m \times n}\] and \[B=[b_{ij}]_{m \times n}\], which statement expresses \[A=B\]?
पर्याय
\[A=B \iff m\ne n\]
\[A=B \iff a_{ij}=b_{ij}\text{ for all }i,j\]
\[A=B \iff a_{ij}\ne b_{ij}\text{ for all }i,j\]
\[A=B \iff a_{ij}=b_{ji}\text{ for all }i,j\]
MCQ
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उत्तर
For matrices of order \[m\times n\], equality requires \[a_{ij}=b_{ij}\] for all \[i,j\]. Each element must equal the element in the same position.
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