Matrix Multiplication ❌

Matrix Multiplication ❌
|a b|
|c d|
multiply
|w x|
|y z|
=
|(aw+by)(ax+bz)|
|(cw+dy)(cx+dz)|
———————————
|a b|
|c d|
multiply
|w|
|y |
=
|(aw+by)|
|(cw+dy)|
 ———————————
|a b e|
|c d f|
|g h i|
multiply
|w x t|
|y z u|
|k m n|
×
|(aw+by+ek)(ax+bz+em)(at+bu+en)|
|(cw+dy+fk)(cx+dz+fm)(ct+du+fn)|
|(gw+hy+ik)(gx+hz+im)(gt+hu+in)|
———————————
In picture format also,

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