Q : 8 By using properties of determinants, show that:
(i)
We have the determinant
Applying the row transformations and then we have:
Now, applying we have:
or
Hence proved.
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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