Ex 3.2, 3 - Chapter 3 Class 12 Matrices - Part 5

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  1. Chapter 3 Class 12 Matrices (Term 1)
  2. Serial order wise

Transcript

Ex 3.2, 3 Compute the indicated products (v) [■8( 2&1@ 3&2@−1&1)] [■8( 1&0&1@−1&2&1)] [■8( 2&1@ 3&2@−1&1)]_(3 ×2) [■8( 1&0&1@−1&2&1)]_(2 ×3) = [■8(2 × 1+1 × (−1)&2 × 0+1 × 2&2 × 1+1 × 1@3 × 1+2 × (−1)&3 × 0+2 × 2&3 × 1+2 × 1@−1 × 1+1 × (−1)&−1 × 0+1 × 2&−1 × 1+1 × 1)]_(3 × 3) = [■8(2−1& 0+2&2+1@3−2&0+4&3+2@−1−1&0+2&−1+1)] = [■8(1&2&3@1&4&5@−2&2&0)]

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.