QuestionFind the sum of $a_{21}+b_{21}$ from the given matrices.

Studdy Solution

STEP 1

Assumptions1. The matrices are added element-wise, meaning corresponding elements in the two matrices are added together. . The element $a_{21}$ refers to the element in the second row and first column of the first matrix.
3. The element $b_{21}$ refers to the element in the second row and first column of the second matrix.

STEP 2

First, let's identify the elements $a_{21}$ and $b_{21}$ in the matrices.
$a_{21} =5$ $b_{21} =2$

STEP 3

Now, let's add these two elements together to find the summation of $a_{21}+b_{21}$ .
$a_{21}+b_{21} =5 +2$

STEP 4

Calculate the summation of $a_{21}+b_{21}$ .
$a_{21}+b_{21} = +2 =7$ The summation of $a_{21}+b_{21}$ is7.

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