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A Level Edexcel Pure Maths Paper 1 Exam Questions With Correct Answers And Formula 2024
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A Level Edexcel Pure Maths Paper 1 Exam Questions With Correct Answers And Formula 2024 where a, b and c are real constants and a≠0 What is the quadratic formula? - ANSWER x = (-b±√b²-4ac)/2a completing the square - ANSWER x² + bx = (x+b/2)² - (b/2)² ax² + bx + c = a(x + b/2a)² + (...
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