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For two matrices to be equal, they must first have the same:
AColour
BRank
COrder
DTrace
Answer & Solution
Correct answer: C. Order
1. Equality is checked element by element.
2. That is only possible if the arrays line up.
3. So the two must be of the same order.
_Source: NCERT Class 12 Mathematics Part I, Chapter 3, Matrices._
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