Question: 9 3 O 2 4 1 1. lGiven that: A= 4 5 6 ,B= 6 4- 2 1 2 5 9 2 3 Show that

9 3 O 2 4 1 1. lGiven that: A= 4 5 6 ,B= 6 4- 2 1 2 5 9 2 3 Show that matrix multiplication is not commutative i.e. AB at BA . 2. Check whether the following matrices are singular or non-singular: 6 2 3 (i) A=[0 7 4] 5 1 3 2 2 3 (ii) B=[O 5 4] 4 1 9 3. Find the inverse of the following matrices: 246 025 071 B=834 135 4-12 A: 4. Express the following equation system in matrix form and then solve it by Cramer's rule: 2Y+4C3T=12 3YSC+2T=13 Y+3C+2T=17 5. Express the following equation system in matrix form and then solve it by matrix inverse technique: 3101 P2 + 293 = 24 P1+5P2P3 =16 41 21; + 7.03 = 32

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