Proof by Contradiction (Q7 A2 P2 Edexcel 2022)
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YouTubeMr Guffick Maths
Proof by Contradiction (Q7 A2 P2 Edexcel 2022)
In this video, Lee Guffick walks you step-by-step through a classic A Level Proof by Contradiction question from Edexcel A Level Maths Paper 2 (2022). Lee breaks down how to set up the contrapositive assumption, how to express odd integers algebraically, and how to derive the contradiction that proves the original statement must be true. He ...
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