NCERT Solutions for Class 8 Maths Chapter 9 (Ex 9.2) Algebraic Expressions and Identities

NCERT Solutions for Class 8 Chapter 9 Algebraic Expressions and Identities -Free PDF Download

Free PDF download of NCERT Solutions Maths Class 8 Solutions Chapter 9 – Algebraic Expressions and Identities solved by Expert Maths Teachers on CoolGyan.Org. All Chapter 9 – Algebraic Expressions and Identities Questions with Solutions for NCERT to help you to revise complete Syllabus and Score More marks.
Maths Revision Notes for Class 8

 Chapter Name Algebraic Expressions and Identities Chapter Chapter 9 Exercise Exercise 9.2 Class Class 8 Subject Maths NCERT Solutions Board CBSE TEXTBOOK CBSE NCERT Category NCERT Solutions

NCERT SOLVED

1. Find the product of the following pairs of monomials:

(i)

(ii)

(iii)

(iv)

(iv)

Ans.

(i)    =  =

(ii)  =

(iii)  =

(iv)  =

(v)  =  = 0

2. Find the areas of rectangles with the following pairs of monomials as their lengths and breadths respectively:

Ans.

(i)   Area of rectangle

sq. units

(ii) Area of rectangle

sq. units

(iii) Area of rectangle  =

sq. units

(iv) Area of rectangle  =

sq. units

(v) Area of rectangle  =

sq. units

3. Complete the table of products:

(i)

Ans.
(i)

4. Obtain the volume of rectangular boxes with the following length, breadth and height respectively:

(i)

(ii)

(iii)

(iv)

Ans. (i)   Volume of rectangular box

cubic units

(ii) Volume of rectangular box

cubic units

(iii) Volume of rectangular box

cubic units

(iv) Volume of rectangular box

cubic units

5. Obtain the product of:

(i)

(ii)

(iii)

(iv)

(v)

Ans.

(i)

(ii)  =

(iii)

(iv)

=

(v) =(-1)(mxmxmxnxnxp)