Invertible and noninvertibles matrices

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Keep going! Check out the next lesson and practice what you’re learning:

Recognizing when a matrix is invertible or not.
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This is a 10/10 way of doing it, much faster than the way my teacher showed

MeinCouch
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Nice to know, but what do we do with it?

jacobvandijk
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Do we have to divide by the determinent when trying to get A inverse for any square matrix (if the size is larger than 2*2)?

sarabasheer-jcws
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Thnx alot for explaining in fabulous way ✨♥️

gaurviverma
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Interesting way to learn 😇
from Bangladesh 🇧🇩

RabiulAwalBhuiyan
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How about if the matrix is bigger than 2x2, say 5x5 ?

davdeveloper
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Is there any trick for 3x3 matrix too?

kekw-bh
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me when i open khan academy video and 3brown1blue is doing it😛😛

edouardrenaud
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Sal khan how did you got into MIT is it america your birthplace itself

shafequeorcha
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ooof i just need help with my 6th grade math XD

ryleewhittaker
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