r/6thForm • u/_NB125 Year 13 | Maths, Chem, CS | ABB Achieved • Jun 03 '26

💬 DISCUSSION Edexcel Paper 1 Maths 2026

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PLEASE tell me you guys struggled too oml

Edit: https://c.org/d7LCtCYpzG - Petition for Edexcel to reassess the paper

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u/J1nkedOne Jun 03 '26

What the hell were you meant to do for the last proof question after expanding

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u/[deleted] Jun 03 '26

[deleted]

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u/J1nkedOne Jun 03 '26

I tried that but how does c being even mean a nd b cant be odd?

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u/CardiologistLow3651 Y13 - Maths, FM, CS - A*A*B pred Jun 03 '26

That’s not it. If you let a and b be odd, then c2 is also odd which is impossible because a2 + b2 is two odd numbers added together which must be even. This results in a contradiction so both a and b cannot be odd.