Question

if a+b=10 and ab =21 find the value of a raised to cube and b raised to cube

Answer 1

the value of a raised to cube and b raised to cube is -600

Answer 2

A+b = 10 and ab = 21

a³+b³ = (a+b)³ - 3a²b-3ab²

→ (10)³ - 3ab(a+b)

→ 10³ - 3(21)(10)

→ 1000-630

→ 370

Hope it helps