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Ex 4.1, 5 (i) - Chapter 4 Class 12 Determinants
Last updated at June 11, 2023 by Teachoo
Chapter 4 Class 12 Determinants
Serial order wise
Transcript
Ex 4.1, 5 Evaluate the determinant (i) |■8(3&−1&−2@0&0&−1@3&−5&0)| |■8(3&−1&−2@0&0&−1@3&−5&0)| = 3 |■8(0&−1@−5&0)| – (–1) |■8(0&−1@3&0)| +(–2) |■8(0&0@3&−5)| = 3 (0(0) – (–5) (–1) ) + 1 (0(0) – 3(– 1)) – 2 (0(–5) – 3(0)) = 3(0 – 5) + 1 (0 + 3) – 2 (0 – 0) = 3(–5) + 1 (3) + 0 = –15 + 3 = – 12
