Answer the following for the product where is a matrix and is a matrix:

MATHEMATICS · Multi-part · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

Answer the following for the product

C = AB

where

A

is a

2\times3

matrix and

B

is a

3\times4

matrix: (i) What is the order of

C

? (ii) Write the expression for the element

c_{13}

C

in summation notation.