Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions for Mathematics

a² – b² is equal to ______.

Square of 9x – 7xy is ______.

(a – b) ______ = a² – 2ab + b² 

(a – b)² + ______ = a² – b² 

Factorised form of 4y² – 12y + 9 is ______.

103² – 102² = ______ × (103 – 102) = ______.

(a – b)² = a² – b² 

Using suitable identities, evaluate the following.

(9.9)² 

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

x² – 8x + 16

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

x² – 10x + 25

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

y² – 14y + 49

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

p² – 2p + 1

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

4a² – 4ab + b² 

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

p²y² – 2py + 1

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

a²y² – 2aby + b²

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

9x² – 12x + 4

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

4y² – 12y + 9

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

`x^2/4 - 2x + 4`

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

a²y³ – 2aby² + b²y

Factorise the following, using the identity a² – 2ab + b² = (a – b)².

`9y^2 - 4xy + (4x^2)/9`