Question

Problem 1: Find $AB$, where $A = \begin{bmatrix} 2 & 3 & -1 \\ 4 & -2 & 5 \end{bmatrix}$ and $B = \begin{bmatrix} 2 & -1 & 0 & 6 \\ 1 & 3 & -5 & 1 \\ 4 & 1 & -2 & 2 \end{bmatrix}$.

Name: problem 1 find ab where a beginbmatrix 2 3 1 4 2 5 endbmatrix and b beginbmatrix 2 1 0 6 1 3 5 1 4 1 2 2 endbmatrix 86265
Uploaded: 2020-07-28T22:28:41-08:00
Duration: 1 min 31 s
Channel: Robert Lihou
Description: problem 1 find ab where a beginbmatrix 2 3 1 4 2 5 endbmatrix and b beginbmatrix 2 1 0 6 1 3 5 1 4 1 2 2 endbmatrix 86265

          Problem 1:
Find $AB$, where $A = \begin{bmatrix} 2 & 3 & -1 \\ 4 & -2 & 5 \end{bmatrix}$ and $B = \begin{bmatrix} 2 & -1 & 0 & 6 \\ 1 & 3 & -5 & 1 \\ 4 & 1 & -2 & 2 \end{bmatrix}$.

Added by Hannah M.

Calculus: Early Transcendentals

James Stewart 8th Edition

Instant Answer

Solved by Expert Robert Lihou

07/28/2020

Step 1

$A$ is a $2 \times 3$ matrix and $B$ is a $3 \times 4$ matrix, so the resulting matrix $AB$ will be a $2 \times 4$ matrix. Show more…

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Problem 1: Find $AB$, where $A = \begin{bmatrix} 2 & 3 & -1 \\ 4 & -2 & 5 \end{bmatrix}$ and $B = \begin{bmatrix} 2 & -1 & 0 & 6 \\ 1 & 3 & -5 & 1 \\ 4 & 1 & -2 & 2 \end{bmatrix}$.