Determinants (2x2, 3x3) and Inverse (2x2) of a Matrix Sample Problems - Algebra

This is a tutorial video on how to get the determinant of a 2x2, 3x3 matrix as well as the inverse (2x2).
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Thank you and God bless!

[@kanamovies5583]

good explanation, thank you

[@cassandraacab2302]

Kakanood ko lang CE event sir. Diko alam ikaw pala yung pinapanood ko dati pa.😭💖

[@abatandchill]

Hi! 😊

[@kevinraemangabat7118]

Hello Sir, may I asked po about sa weaver basket method kasi based sa tinuro sa amin po is the sum of the product if downward diagonal and the difference of the product if upward diagonal. And I've noticed po na parehong sum of the product yung process ninyo. Ok lang po ba Yun? Thanks

[@prinzters]

yes

[@tmfyi8048]

I did this same thing with 8x+7y= 48 and 9x+11y= 40 and the final answer was 248/ 25 and -112/25. I'm confused on how the final answers came from that

[@johnpaulbalines3498]

May I know kung paano po gagawin ung checking?