Question

$(999)^{3}$
HELP ME PLZ 9 STD 2 CHAPTER ​

Answer 1

Answer:

997002999

Step-by-step explanation:

999^3 = (1000-1)^3

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

1000000000 - 1 - 3(1000000)(1) + 3(1000)(1)

1000000000 - 1 - 3000000 + 3000

997002999