Question

solve using identify
${999}^{3}$
​

Answer 1

Answer:

HAI

THE ANSWER IS

${999}^{3}$ =

997002999.

Answer 2

(999)^3

it can be written as

(1000-1)^3

now using identity

(a-b)^3=a^3-3a^2b+3ab^2-b^3

1000^3-3(1000)^2(1)+3(1000)(1)^2-(1)^3

1000000000-3000000+3000-1

997002999