Jun 05, 10:22:25 PMWatch help videoGiven the matrices A and B shown below, find A + B.43.3.A =5-5 – 27-3 4.4 2B4 132.

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asked Apr 15, 2023 226k views

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Rob Cooke · Answer 1 · 2023-04-21T03:01:13+0000

Given 2 matrix A and B, A+B means the sum of the matrices. The sum of two matrices can be done by summing each element of the first matrix to the corresponding element of the secont matrix. So:

$\begin{bmatrix}{-4} & {-5} & {-2} \\ {5} & {-3} & {4} \\ {-5} & {4} & {2}\end{bmatrix}+\begin{bmatrix}{3} & {3} & {-1} \\ {-4} & {1} & {3} \\ {5} & {4} & {2}\end{bmatrix}=\begin{bmatrix}{-4+3} & {-5+3} & {-2-1} \\ {5-4} & {-3+1} & {4+3} \\ {-5+5} & {4+4} & {2+2}\end{bmatrix}=\begin{bmatrix}{-1} & {-2} & {-3} \\ {1} & {-2} & {7} \\ {0} & {8} & {4}\end{bmatrix}$

Jun 05, 10:22:25 PMWatch help videoGiven the matrices A and B shown below, find A + B.43.3.A =5-5 – 27-3 4.4 2B4 132.

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