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7 Nov 2019 20:29:49 UTC
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(a+b+c)(d-e-f) - Proof & Expansion - A Level Maths
How did we find out that (a+b+c)(d-e-f)=a(d-e-f)+b(d-e-f)+c(d-e-f)=ad-ae-af+bd-be-bf+cd-ce-cf?
Did someone just come up with this expansion by accident, or was it discovered using secret methods that most of us are unfamiliar with?
Watch the video and find out.
Video by: Tiago Hands (https://www.instagram.com/tiago_hands/)
Instagram Resources:
...
https://www.youtube.com/watch?v=QFk2B2efFl4
Did someone just come up with this expansion by accident, or was it discovered using secret methods that most of us are unfamiliar with?
Watch the video and find out.
Video by: Tiago Hands (https://www.instagram.com/tiago_hands/)
Instagram Resources:
...
https://www.youtube.com/watch?v=QFk2B2efFl4
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