Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

xxxtechmanxxx Group Title

MATRIX QUESTION

  • one year ago
  • one year ago

  • This Question is Closed
  1. eliassaab Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    *

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

    \[A = \left[\begin{matrix}a & b \\ c & 0\end{matrix}\right] and B = \left[\begin{matrix}1 & 0 \\ d & e\end{matrix}\right]. \]

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

    Giving your answer is terms of a,b,c,d, and e, a)Write down A+B b)Find AB

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

    Help?

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

    for A+B add the corresponding elements of A and B

    • one year ago
  6. seidi.yamauti Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    a11=a+1 a12=b+0=0 ...

    • one year ago
  7. eliassaab Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[ A+B=\left( \begin{array}{cc} a+1 & b \\ c+d & e \end{array} \right) \]

    • one year ago
  8. eliassaab Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[ A B=\left( \begin{array}{cc} a+b d & b e \\ c & 0 \end{array} \right) \]

    • one year ago
  9. xxxtechmanxxx Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Alright, but how do I do that? I'm a bit new to Matrices.

    • one year ago
  10. eliassaab Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[ A = \left[\begin{matrix}a & b \\ c & 0\end{matrix}\right] \text { and } B = \left[\begin{matrix}1 & 0 \\ d & e\end{matrix}\right]\\ c_{1,1}= a (1) + b(d)=a + bd\\ c_{1,2}= a (0) + b(e)=be\\ c_{2,1}= c(1) +0(d)=c\\ c_{2,2}= c(0) +0(e)=0\\ \]

    • one year ago
  11. eliassaab Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Did you understand?

    • one year ago
  12. xxxtechmanxxx Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Yes! Thank you!

    • one year ago
    • Attachments:

See more questions >>>

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.