Try these interactive flashcards based on GCSE maths past papers. By working your way through the flashcards created by experts, you can prepare for your maths exams and revise commonly used ...
For ax 2 + bx + c = 0, (α, β) = [–b ± √(b 2 – 4ac)]/2ac, where α and β are the roots of the equation. Sum of roots = –b/a Product of roots = c/a If roots of a quadratic equation are given, then the ...
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