Question

please solve I will follow​

Answer 1

Answer:

(997)³= (1000–3)³

(a–b)³= a³- b³- 3a²b +3ab²

1000³ – 9–3×1000²×3 +3×1000×9

1000000000–9–9000000 + 27000

991,026,991

i hope this is the answer .

its ok if u don't follow