Question

Exapnd:
(79)³

I want the answer in full statement.

using below's formula,
a³-3a²b+3ab²-b³ ...​

Answer 1

Answer:

To verify the algebraic identity (a – b)³ = a³ – b³ – 3ab (a – b).

Answer 2

Answer:

(a-b)^3=a³-3a²b+3ab²-b^3

(80-2)^3

=80³-3×80²×1+3×80×1²-1³

=by solving we get 493039