Secondary School (English Medium) (5 to 8) कक्षा ८ - CBSE Question Bank Solutions

Factorise the expression.

am² + bm² + bn² + an²

Factorise the expression.

(lm + l) + m + 1

Factorise the expression.

y (y + z) + 9 (y + z)

Factorise the expression.

5y² − 20y − 8z + 2yz

Factorise the expression.

10ab + 4a + 5b + 2

Factorise the expression.

6xy − 4y + 6 − 9x

Factorise.

a⁴ − b⁴

Factorise.

p⁴ − 81

Factorise.

x⁴ − (y + z)⁴

Factorise.

x⁴ − (x − z)⁴

Factorise.

a⁴ − 2a²b² + b⁴

Factorise the following expression.

p² + 6p + 8

Factorise the given expression.

q² − 10q + 21

Factorise the given expression.

p² + 6p − 16

Express the following numbers in standard form:
6020000000000000

Express the following numbers in standard form:
0.00000000000943

Express the following numbers in standard form:
0.00000000085

Express the following numbers in standard form:
846 × 10⁷

Express the following numbers in standard form:
3759 × 10⁻⁴

Express the following numbers in standard form:
0.00072984