Q : 11 By using properties of determinants, show that:
Given determinant:
We apply row transformation: we have;
Taking common factor (a+b+c) out.
Now, applying column transformation and then
We have;
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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