Question

Using suitable identity evaluate (1003) cube

Answer 1

Answer:

1009027027

Step-by-step explanation:

By the identity

$(x + y) {}^{3} = x {}^{3} + 3xy(x + y) + 3 {}^{3}$

Answer 2

Answer:

997008999919

Step-by-step explanation:

FORMULA IS

(a+b)³=a³+b³+3ab(a+b)