CBSE Class 12 Math 2022 Term I Solved Paper

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Question : 24
Total: 50
A matrix A=[aij]3×3 is defined by
aij={
2i+3j,i<j
5,i=j
3i2j,i>j

The number of elements in A which are more than 5 , is:
Explanation: Here, A=[
5811
4513
755
]
Thus, number of elements more than 5 , is 4 .
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