Question

evaluate using identities: 999cube​

Answer 1

WE CANT DO THIS BRO CAUSE IT WAS 99 .WE CAN DO IF IT WAS 9999

Answer 2

Answer:

997002999

Step-by-step explanation:

(999)3

= (1000-1)3

using (a-b)3 = a3 - b3 - 3ab (a-b)

= (1000)3 - (1)3 - 3 x 1000 x 1 (1000-1)

= 1000000000 - 1 - 3000 x 999

= 999999999 - 2997000

= 997002999

HOPE IT HELPS YOU