Question

Evaluate 997³ by using algebraic identities​

Answer 1

Answer:

(1000 - 3)^3

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

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

= 99,10,26,973

Step-by-step explanation:

Answer 2

Step-by-step explanation:

991026991 is correct answer