Ex 3.2, 3 (iii) - Chapter 3 Class 12 Matrices

Last updated at August 20, 2026 by

Ex 3.2, 3 (iii) - Compute the Product of 2x2 and 2x3 Matrix - Teachoo - Ex 3.2

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Ex 3.2, 3 Compute the indicated products (iii) [■8(1&−2@2&3)] [■8(1&2&3@2&3&1)] [■8(1&−2@2&3)]_"2 × 2" [■8(1&2&3@2&3&1)]_"2 × 3" = [■8(1 × 1+(−2) × 2&1 × 2+(−2) × 3&1 × 3+(−2) × 1@2 × 1+3 × 2&2 × 2+3 × 3&2 × 3+3 × 1)]_(2 × 3) = [■8(1−4&2−6&3−2@2+6&4+9&6+3)] = [■8(−𝟑&−𝟒&𝟏@𝟖&𝟏𝟑&𝟗)]

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