NCERT Solutions for Class 8 Chapter 14 Factorisation -Free PDF Download
Free PDF download of NCERT Solutions Maths Class 8 Solutions Chapter 14 – Factorisation solved by Expert Maths Teachers on CoolGyan.Org. All Chapter 14 – Factorisation Questions with Solutions for NCERT to help you to revise complete Syllabus and Score More marks.
Maths Revision Notes for Class 8
Chapter Name | Factorisation |
Chapter | Chapter 14 |
Exercise | Exercise 14.2 |
Class | Class 8 |
Subject | Maths NCERT Solutions |
Board | CBSE |
TEXTBOOK | CBSE NCERT |
Category | NCERT Solutions |
NCERT SOLVED
1. Factorize the following expressions:
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
[Hint: Expand first]
(viii)
Ans. (i)
Using identity ,
Here and
=
(ii)
Using identity ,
Here and
(iii)
Using identity , here
(iv)
Using identity , here
(v)
Using identity , here
(vi)
Using identity , here
(vii)
=
=
=
=
(viii)
=
2. Factorize:
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
(viii)
Ans. (i)
=
(ii)
=
(iii) =
=
(iv)
=
=
(v)
=
= (2l) (2m) = 4lm
(vi)
=
(vii)
=
(viii)
=
=
=
=
=
3. Factorize the expressions:
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
(viii)
(ix)
Ans. (i) =
(ii) =
(iii) =
(iv)
=
=
(v) =
=
(vi) =
(vii)
=
=
=
(viii)
=
=
(ix)
=
=
=
4. Factorize:
(i) (ii)
(iii) (iv)
(v)
Ans. (i)
=
=
(ii)
=
=
=
(iii)
=
=
= (x – y – z) (x + y + z) [x2 + (y + z)2]
(iv)
=
= [x – (x – z)][x + (x – z)] [x2 + (x – z)2]
= [x – x + z] [x + x – z] [x2 + x2 – 2xz + z2]
= z (2x – z) (2x2 – 2xz + z2)
(v) =
=
=
=
5. Factorize the following expressions:
(i)
(ii)
(iii)
Ans.
(i)
=
=
=
(ii)
=
=
=
(iii)
=
=
=