Problem

Given two 2x2 matrices A = [1234] and B = [5678], what is the result of A - B?

Answer

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Answer

So, AB=[4444]

Steps

Step 1 :First, set up the subtraction. AB=[1234][5678]

Step 2 :Subtract the corresponding elements in the matrices. The element in the first row and first column of the result is 15=4. The element in the first row and second column is 26=4. The element in the second row and first column is 37=4. The element in the second row and second column is 48=4.

Step 3 :So, AB=[4444]

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