Question

If A and B are matrices of order 3 x n and m x 5 respectively, then find the order of matrix 5A -3B, given that it is defined.

Answer 1

15………..is answer…………….

Answer 2

Step-by-step explanation:

 Given If A and B are matrices of order 3 x n and m x 5 respectively, then find the order of matrix 5A -3B, given that it is defined.

• So given A and B are the matrices of order 3 x n and m x 5
• So order of matrix A = 3 x n and
• order of matrix B = m x 5
• Matrix 5A – 3B is defined.
• Now the order of matrix A and B must be equal.
• Therefore 3 x n = m x 5
• So we get n = 5 and m = 3
• hence the order of matrix 5A – 3B = 3 x 5

Reference link will be

https://brainly.in/question/25340632