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

Factorize each of the following algebraic expressions:
3a(x − 2y) −b(x − 2y)

Factorize each of the following algebraic expressions:
a²(x + y) +b²(x + y) +c²(x + y)

Factorize each of the following algebraic expressions:
(x − y)² + (x − y)

Factorize each of the following algebraic expressions:
6(a + 2b) −4(a + 2b)²

Factorize each of the following algebraic expressions:
a(x − y) + 2b(y − x) + c(x − y)²

Factorize each of the following algebraic expressions:
−4(x − 2y)² + 8(x −2y)

Factorize each of the following algebraic expressions:
x³(a − 2b) + x²(a − 2b)

Find the least number which must be added to the following numbers to make them a perfect square:

 5607

Factorize each of the following algebraic expressions:
(2x − 3y)(a + b) + (3x − 2y)(a + b)

Factorize each of the following algebraic expressions:
4(x + y) (3a − b) +6(x + y) (2b − 3a)

Find the least number which must be added to the following numbers to make them a perfect square:

4931 

Find the least number which must be added to the following numbers to make them a perfect square:

4515600

Find the least number which must be added to the following numbers to make them a perfect square:

37460

Find the least number which must be added to the following numbers to make them a perfect square:

506900

Find the greatest number of 5 digits which is a perfect square.

Find the least number of 4 digits which is a perfect square.

Find the least number of six digits which is a perfect square.

Factorize each of the following expressions:
qr − pr + qs − ps

Factorize each of the following expressions:
p²q − pr² − pq + r²

Find the greatest number of 4 digits which is a perfect square.