Q : 16 If , verify that . Hence find .
Given matrix: ;
To show:
Finding each term:
So now we have,
Now finding the inverse of A;
Post-multiplying by as,
...................(1)
Now,
From equation (1) we get;
Hence inverse of A is :
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
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