A community for students.
Here's the question you clicked on:
 0 viewing
vf321
 2 years ago
Is \((AB)^{1}=A^{1}B^{1}\) for square matrices A and B?
vf321
 2 years ago
Is \((AB)^{1}=A^{1}B^{1}\) for square matrices A and B?

This Question is Closed

vf321
 2 years ago
Best ResponseYou've already chosen the best response.0really? I couldn't find anything that says so. Wikipedia or google...

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.2Shouldn't it be \(\Large (AB)^{1}=B^{1}A^{1}\) ???

vf321
 2 years ago
Best ResponseYou've already chosen the best response.0Yeah that's what I thought too.

vf321
 2 years ago
Best ResponseYou've already chosen the best response.0I guess the matrices I tried it out on were trivial...

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.2AB = C (AB)^(1)(AB) = (AB)^(1)C I = (AB)^(1)AB I = B^(1)A^(1)AB I = B^(1)[A^(1)A]B I = B^(1)[I]B I = B^(1)B I = I It's explained better here http://mathworld.wolfram.com/MatrixInverse.html

TuringTest
 2 years ago
Best ResponseYou've already chosen the best response.0Oh I totally didn't even read it... sorry :/
Ask your own question
Sign UpFind more explanations on OpenStudy
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
 Engagement 19 Mad Hatter
 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.