KARNATAKA-2nd-PUC-2023-Mathematics-Sample-Paper
KARNATAKA 2nd PUC 2023 Mathematics Sample Paper
Question 3
For 2×2 matrix A=[aij] whose elements are given by aij=ij, then A is equal to
Solution
The correct answer is [1−1221]
Explanation
Given that aij=ij
∴ a11=11=1,
a12=12,
a21=21=2 and
a11=22=1
A=
[1−1221]
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