Maths Crash Course - Live lectures + all videos + Real time Doubt solving!
Ex 4.1, 5 (iii) - Chapter 4 Class 12 Determinants (Term 1)
Last updated at Aug. 18, 2021 by Teachoo
Chapter 4 Class 12 Determinants
Serial order wise
Transcript
Ex 4.1,5 Evaluate the determinants (iii) |■8(0&1&[email protected]−1&0&−[email protected]−2&3&0)| |■8(0&1&[email protected]−1&0&−[email protected]−2&3&0)| = 0 |■8(0&−[email protected]&0)| − 1 |■8(−1&−[email protected]−2&0)| + 2 |■8(−1&[email protected]−2&3)| = 0 (0(0)−3(−3))−1(−1(0)−(−2) (−3))+2 (−1(3)−(−2)0) = 0 (0 + 9) – 1 (0 – 6) +2 (– 3 – 0) = 0 – 1 (0 – 6) + 2 (−3 − 0) = –1(–6) + 2 (−3) = 6 – 6 = 0
