Complex confusion?

  • Thread starter Unassuming
  • Start date
  • #1
169
0

Homework Statement



Express 2/i in the form a + bi.

Homework Equations





The Attempt at a Solution



The book says -2i. What am I missing here? I don't see what they are using. All I get is 2i^-1.

Is i^-1 something that I don't know?
 

Answers and Replies

  • #2
Dick
Science Advisor
Homework Helper
26,260
619
Multiply the numerator and denominator of 2/i by i.
 
  • #3
169
0
ugh,...thanks Dick
 

Related Threads on Complex confusion?

  • Last Post
Replies
3
Views
4K
Replies
1
Views
2K
Replies
3
Views
5K
Replies
4
Views
1K
  • Last Post
Replies
1
Views
2K
  • Last Post
Replies
0
Views
1K
  • Last Post
Replies
3
Views
856
  • Last Post
Replies
1
Views
1K
  • Last Post
Replies
3
Views
1K
Top