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Let A=[2432],B=[13-25],C=[-2534] Find BA - Mathematics

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प्रश्न

Let `A = [(2,4),(3,2)] , B = [(1,3),(-2,5)], C = [(-2,5),(3,4)]`

Find BA

योग
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उत्तर

Matrix B has 2 columns. This number is equal to the number of rows in matrix A. Therefore, BA is defined as:

`BA = [(1,3),(-2,5)][(2,4),(3,2)]`

=`[(1(2)+3(3), 1(4)+3(2)), (-2(2)+5(3), -2(4)+5(2))]`

=`[(2+9, 4+6), (-4+15, -8+10)]`

=`[(11,10),(11,2)]`

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अध्याय 3: Matrices - Exercise 3.2 [पृष्ठ ८०]

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एनसीईआरटी Mathematics Part 1 and 2 [English] Class 12
अध्याय 3 Matrices
Exercise 3.2 | Q 1.5 | पृष्ठ ८०
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