Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
boomerang285
Group Title
Solve the matrix :
1 2 1 0 
0 1 02
0 0 1 3 
 one year ago
 one year ago
boomerang285 Group Title
Solve the matrix : 1 2 1 0  0 1 02 0 0 1 3 
 one year ago
 one year ago

This Question is Closed

technopanda13 Group TitleBest ResponseYou've already chosen the best response.0
open study is for help not answers :)
 one year ago

boomerang285 Group TitleBest ResponseYou've already chosen the best response.0
i know that, I am looking for help in solving this matrix
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
i think the person has just stated the question. maybe he needs help solving it
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
hmm @boomerang285 just want to know.. familiar with Guass jordan? is it related to it?
 one year ago

boomerang285 Group TitleBest ResponseYou've already chosen the best response.0
yes I believe so, I am looking in my textbook, it is just very confusing
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
ok and you have to find x, y, and z right?
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
ok see your matrix.. all the elements below the peincipal diagnol are 0.. so you can apply Guass method.
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
ok so in guass u make equations like this. just ignore the last column in you question and replace it with x,y ,zdw:1352480536058:dw
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
1x+2y+z = 0 y = 2 0x+0y+1z = 3 just now solve these equations
 one year ago

boomerang285 Group TitleBest ResponseYou've already chosen the best response.0
so the answer is then (1, 2, 3) ? thats what i get
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
yes .. that should be the answer.. you have to remmeber you can do like this just when you have all elements under principal diagonal are 0
 one year ago

boomerang285 Group TitleBest ResponseYou've already chosen the best response.0
thank you very much, i have a couple questions i need checked, are you willing?
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
yeah sure..
 one year ago

boomerang285 Group TitleBest ResponseYou've already chosen the best response.0
these ones i have to solve using cramers rule, If you are familiar. x2y=5 5xy=2 The answer for this one that I come up with is (1, 3)
 one year ago

boomerang285 Group TitleBest ResponseYou've already chosen the best response.0
solve with cramers rule 2x9y=5 3x3y=11 i come up with (4, 1/3)
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
second one is right.
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
yup.. both of them are right :)
 one year ago

boomerang285 Group TitleBest ResponseYou've already chosen the best response.0
thank you so much!
 one year ago

nubeer Group TitleBest ResponseYou've already chosen the best response.0
you are most welcome
 one year ago
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
 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.