185k views
3 votes
Compute (50 + 72i)^2 - (50 - 72i)^2

User Notallama
by
6.9k points

1 Answer

4 votes

Answer:


14400i

Explanation:

(50 + 72i)^2 = 7200i - 2684

(50 - 72i)^2 = -7200i - 2684

= 7200i - 2684 - -7200i - 2684

= 7200i - 2684 + 7200i + 2684

= 14400i - 2684 + 2684

=
14400i

User Esteban Herrera
by
7.4k points