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Given : [xy+23z-1]=[3132]; find x, y and z. - Mathematics

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Question

Given : `[(x, y + 2),(3, z - 1)] = [(3, 1),(3, 2)]`; find x, y and z.

Sum

Solution

If two matrices are equal, then their corresponding elements are also equal.

Therefore, we have:

x = 3,

y + 2 = 1 `\implies` y = –1

z – 1 = 2 `\implies` z = 3

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Chapter 9: Matrices - Exercise 9 (A) [Page 120]

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Selina Mathematics [English] Class 10 ICSE
Chapter 9 Matrices
Exercise 9 (A) | Q 2 | Page 120

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