Proof by Deduction [IB Math AA SL/HL]

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This video covers Proof by Deduction. Part of the IB Mathematics Analysis & Approaches SL & HL course in Topic 1, Number & Algebra.
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[@varshini8442]

Thank you so much for these videos, I am basically surviving off of these

[@pavorav]

The great difference between ЕГЭ в России and IB

[@ilya_suy]

😂 Я думал я один тут страдаю

[@ee7692]

good luck M22

[@vv-lg9mv]

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[@francescasegnou3410]

For the third example how did you get 4nsquare-4n+1

[@君z-r6f]

expanding the brackets (2n-1)^2
(2n-1)square
= (2n-1)(2n-1)
= 4nsquare - 2n - 2n + 1
= 4nsquare -4n + 1

[@yogeshnegi5196]

[@paya0044]

thanks