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Chapter 4: Q19. (page 172)

Find each product, if possible.

[2鈭�1]鈰�[54]

Short Answer

Expert verified

The required matrix is[6]

Step by step solution

01

Step 1- Use the first elements of both matrices

Write the multiplication of first element of first matrix and first element of second matrix to form the first row of product matrix.[2鈰�5]

02

– Use the second elements of both matrices

Write the multiplication of second element of first matrix and second element of second matrix and add this to previous multiplication to form the complete row of product matrix

[2鈰�5+(鈭�1)鈰�4]

03

Step 3- Write the actual product matrix

Perform simplification of obtained matrix.[6]

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Most popular questions from this chapter

Find each value if fx=x2-3x+2.

f0

Determine the row and column which 100 occur.

1361015鈥�2591420鈥�48131926鈥�712182533鈥�1117243241鈥�1623314050鈥�鈰�鈰�鈰�鈰�鈰�鈰�

For exercises 30-32, use the following information. The Cookie Cutter Bakery records each type of cookie sold at three of their branch stores. Two days of sales are shown in the spreadsheets below.

31. Find the sum of the two days鈥� sales expressed as a matrix.

State the dimensions of each matrix.

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Find each product, if possible.10[3鈭�125].[4鈭�1鈭�2鈭�354]
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