Explain solution for RD Sharma Class 12 Chapter 5 Determinants Exercise Very short Answers Question 19 maths textbook solution.
Answer:0
Hint: Here we use basic concept of determinant of matrix
Given:
Solution :
and cofactor
So, here
So
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
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