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Complete the Table of Products. First Monomial and Second Monomial - CBSE Class 8 - Mathematics

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Question

Complete the table of products.

First monomial →

Second monomial ↓

2x –5y 3x2 – 4xy 7x2y –9x2y2
2x 4x2 ... ... ... ... ...
–5y ... ... –15x2y ... ... ...
3x2 ... ... ... ... ... ...
– 4xy ... ... ... ... ... ...
7x2y ... ... ... ... ... ...
–9x2y2 ... ... ... ... ... ...

Solution

The table can be completed as follows.

First monomial →

Second monomial ↓

2x –5y 3x2 – 4xy 7x2y –9x2y2
2x

4x2

 

− 10xy

 

6x3

 

− 8x2y

 

14x3y

 

− 

18x3y2

–5y

− 10xy

 

25 y2

 

–15x2y

 

20xy2

 

− 

35x2y2

45x2y3
3x2

6x3

 

− 15x2y

 

9x4

 

− 12x3y

 

21x4y

 

− 

27x4y2

– 4xy

− 8x2y

 

20xy2

 

− 12x3y

 

16x2y2

 

− 

28x3y2

36x3y3
7x2y

14x3y

 

− 

35x2y2

21x4y

 

− 

28x3y2

49x4y2

 

− 

63x4y3

–9x2y2

− 

18x3y2

45 x2y3

 

− 

27x4y2

36x3y3

 

− 

63x4y3

81x4y4

 

 

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APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 8 (2018 to Current)
Chapter 9: Algebraic Expressions and Identities
Ex. 9.20 | Q: 3 | Page no. 144
Solution Complete the Table of Products. First Monomial and Second Monomial Concept: Multiplying a Monomial by a Monomial - Multiplying Two Monomials.
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