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becca18
 3 years ago
Find the determinant of the following:
3 3
1 2
becca18
 3 years ago
Find the determinant of the following: 3 3 1 2

This Question is Closed

jadiemint
 3 years ago
Best ResponseYou've already chosen the best response.1is this one matrices? or two

jadiemint
 3 years ago
Best ResponseYou've already chosen the best response.1ok. then the determinent is 1/(adbc), where a is top left, b is top right, c is bottom left and d is bottom right. that help?

becca18
 3 years ago
Best ResponseYou've already chosen the best response.0Not really. Whats the answer?

jadiemint
 3 years ago
Best ResponseYou've already chosen the best response.1I got 1/3. is that what you got?

becca18
 3 years ago
Best ResponseYou've already chosen the best response.0No this is what I got, dw:1320713982160:dw And I just looked at my notes and its not matrix I don't think.

jadiemint
 3 years ago
Best ResponseYou've already chosen the best response.1Oh, you're right, sorry my mistake :) I was going one step further towards finding the inverse lol your answer's right!

becca18
 3 years ago
Best ResponseYou've already chosen the best response.0I'm confused because we learned how to do it this way last week but now we're doing Matrix and it looks the same and the direstions don't tell me anything

becca18
 3 years ago
Best ResponseYou've already chosen the best response.0Thank You! Btw I think it's Called Cramers rule(:

jadiemint
 3 years ago
Best ResponseYou've already chosen the best response.1oooh ok thanks :D lol

Zarkon
 3 years ago
Best ResponseYou've already chosen the best response.0Cramer's rule is a way to use determinants to solve some systems of equations. if \[A=\left[\begin{matrix}a & b \\ c & d\end{matrix}\right]\] then \[A=adbc\] always
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