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Chapter 4: Q22. (page 172)

Find each product, if possible.

[4鈭�2鈭�7635]鈰�[鈭�253]

Short Answer

Expert verified

The required matrix is,[鈭�3918]

Step by step solution

01

Step 1- Make the first row of product matrix

Write the multiplication of first row of first matrix and each row of second matrix and perform addition between the multiplications to form the first row of product matrix.

[4鈰�(鈭�2)+(鈭�2)鈰�(5)+(鈭�7)鈰�(3)]

02

– Make the second row of product matrix

Write the multiplication of second row of first matrix and each row of second matrix and perform addition between the multiplications to form the second row of product matrix

[4鈰�(鈭�2)+(鈭�2)鈰�(5)+(鈭�7)鈰�(3)6鈰�(鈭�2)+(3)鈰�(5)+(5)鈰�3]

03

Step 3- Write the actual product matrix

Perform simplification of obtained matrix.

[鈭�3918]

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