Given \left[\begin{array}{cc}4 & 2 \ -1 & 1]\end{array} M=6 I, where M is a matrix and {\I} is unit matrix of order 2 \times 2. (i) State the order of matrix M. (ii) Find the matrix {\M}.

ICSE Class X Math 2019 Solved Paper - Question 21

Question : 21 of 32

Marks: +1, -0

Given

{[\table 4 , 2 ; -1 , 1]} M=6 I

, where

M

is a matrix and

{\I}

is unit matrix of order

2 × 2

.
(i) State the order of matrix M.
(ii) Find the matrix

{\M}

Solution:

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