A31 = 3³-2.1 = 9-2 = 7
a32 = 3³-2.2 = 9-4 = 5
a33 = 3³-2.3 = 9-6 = 3
guys my...
Mathematics, 06.11.2021 03:00 markusblazer
A31 = 3³-2.1 = 9-2 = 7
a32 = 3³-2.2 = 9-4 = 5
a33 = 3³-2.3 = 9-6 = 3
guys my teacher wrote this on the blackboard when my class was studying matrices this morning and I got confused, wouldn't 3³ be 27 instead of 9?? And if it's really 9, could someone please explain why?? Thank you!
Up: I've talked to them and they were wrong lol ty
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