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If A = [(1, -2),(3, 0)], B = [(0, -2),(2, 1)] find AB. - Mathematics

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Question

If A = `[(1, -2),(3, 0)], B = [(0, -2),(2, 1)]` find AB.

Sum
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Solution

AB = `[(1, -2),(3, 0)] [(0, -2),(2, 1)]`

= `[(1 xx 0 + (-2) xx 2, 1 xx (-2) + (-2) xx 1),(3 xx 0 + 0 xx 2, 3 xx (-2) + 0 xx 1)]`

= `[(-4, -4),(0, -6)]`

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Chapter 8: Matrices - Exercise 8C [Page 164]

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Nootan Mathematics [English] Class 10 ICSE
Chapter 8 Matrices
Exercise 8C | Q 3. (i) | Page 164
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