-9 8 -83 Let A= and B= 6 3 -9 9 Find -4A+3B.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:-9 8
-83
Let A =
and B=
6 3
-9 9
Find -4A+3B.
-4A + 3B =
Expert Solution
Step 1
The scalar multiplication is a significant matrix operation. When a scalar is multiplied with a matrix, it is actually multiplied with each and every entry in the matrix. When two matrices have the same order, they can be added. For two matrices and , their addition is the matrix of order . The resultant matrix is defined as
Here, two matrices are given. We find another matrix through scalar multiplication and addition.
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