Invertible and noninvertibles matrices

[@jacobvandijk6525]

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

[@noneofyourbusiness9763]

Pass calculus 4

[@jacobvandijk6525]

@@noneofyourbusiness9763 Haha, more of the same, I guess

[@RabiulAwalBhuiyan]

Interesting way to learn 😇 from Bangladesh 🇧🇩

[@meeraalkaabi9595]

thanks for helping us :).

[@gaurviverma561]

Thnx alot for explaining in fabulous way ✨♥️

[@arslankhan5604]

Thanks very easy to understand

[@yuandeng122]

Good explanation

[@sarabasheer-jc7ws]

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)?

[@edouardrenaud5517]

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

[@ДулатАЛИИИ]

Thank you!!!❤❤❤

[@Orators-uy4ck]

Thank you so much. ❣️

[@kekw-b2h]

Is there any trick for 3x3 matrix too?

[@tristank2069]

Yes, multiply the matrix by an identity matrix and you will get the inverse of it.

[@mehboobulhaq98]

Hey sal, ya are awesome

[@riteshkandpal07]

Ty salman khan

[@roseannwangui2856]

Thank you so much ❤

[@hankschrader8913]

what about 3x3 and 4x4 ?

[@cannedtray4701]

Use Elementary operations

[@dalipindersingh1583]

Excellent

[@STUDYGROUP-xg5mh]

Thanks sir

[@ryleewhittaker8539]

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

[@ryleewhittaker8539]

ok? :3

[@jakareeblackwell9666]

Ikr I need help with 7th grade math

[@ozan3076]

Hows the school going

[@anso9217]

Yeah, I'm curious as well

[@locoman535]

Yeah how is it

[@eliseemongo395]

perfect

[@shafequeorcha]

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

[@cannedtray4701]

You don't need to be born in the US to attend a US university. International students can apply too!

[@geekyprogrammer4831]

He is a genius. That got him into MIT.

[@husseinmahdi4282]

@@cannedtray4701 US citizens have a higher chance of getting accepted into such Universities

[@sanmame7102]

İ am invertible.

[@baladurai1731]

This is not Sal