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Class 12 Matrices · Mcq Single Correct1 Marksmatrix_dimensions

Class 12 Maths · Matrices · Mcq Single Correct #19

A has order 3×n and B has order m×5. Assuming C=5A+3B is defined, what is the order of C?

✅ Step-by-Step Solution

Final Answer: Option (B): 3×5
  1. Addition requires equal orders, hence n=5 and m=3. Thus both matrices and C have order 3×5; it does not require m=n.

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