Question

plz ans this problem in brief using suitable identity​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Given :-

➪ (p + q)³ - p - q

Solution :-

➪ (p + q)³ - p - q

➭ (p + q)³ - (p + q)

➭ (p + q) {(p + q)² - 1} [ Taking (p + q) common ]

➭ (p + q) (p + q)² - (1)²

➭ (p + q) (p + q + 1) (p + q - 1)

∴ The value of (p + q)³ - p - q is

(p + q) (p + q + 1) (p + q - 1)

Formula used :-

➪ a² - b²

➭ (a + b) (a - b)