Class 12 Matrices · Mcq Single Correct1 Marksmatrix_construction
Class 12 Maths · Matrices · Mcq Single Correct #12
For A=[aᵢⱼ]₃ₓ₃, let aᵢⱼ=2i+3j if i<j, 5 if i=j, and 3i−2j if i>j. How many entries exceed 5?
✅ Step-by-Step Solution
Final Answer: Option (B): 4
- The matrix is [[5,8,11],[4,5,13],[7,5,5]]. Its entries above 5 are 8,11,13,7, giving four.
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