206k views
3 votes
Need help i don't understand

Need help i don't understand-example-1
User Alikonda
by
7.4k points

2 Answers

2 votes
I believe its c . Hope i helped
User Ira
by
8.4k points
3 votes
i is defined as the square root of negative 1, so C is correct. For now, don't try to understand why this is so, just accept this definition.


User Andelas
by
8.5k points