A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

warpedkitten

  • one year ago

What is the multiplicative identity of the complex number –3 + 5i? 0 1 –3 + 5i 3 – 5i

  • This Question is Closed
  1. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Do you know what multiplicative identity means?

  2. warpedkitten
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Well the answer was B. 1. If I knew what it was I wouldn't have asked for assistance..

  3. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Well then, how did you get the answer? I'm only trying to help.

  4. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    lets call the multiplicative identity a then it must be that (–3 + 5i)a=a(–3 + 5i)=(–3 + 5i) (3 – 5i)(3 – 5i)=9-30i-25=-16-30i what number when you multiply another number by it you get that other number back? 6x=6 what is x? its 1

  5. warpedkitten
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I guessed on the answer and got it right. I didn't know how to get the answer.

  6. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.