1,327 prompts matching "Learn: The formula for the sum of the first n terms of an arithmetic progression"
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Show all working: mixed matrices and determinants exam question
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Teach me Cramer's rule from first principles
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WAEC Further Mathematics: matrices in a real-world context
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Quiz: Testing a binary operation for commutativity
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WAEC Prep: Completing a Cayley table for an operation on a small set
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Worked Example: Collecting like surds in a single sum
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Quiz: Multiplying two surds and simplifying the result
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Common Mistakes: Solving an equation in which the unknown sits under a root
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Quiz: Solving an index equation by writing both sides to the same base
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Show All Working: Solving a logarithmic equation and rejecting the invalid root
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Quiz: Forming a quadratic equation whose roots are given
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Show All Working: Solving a quadratic by completing the square
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Spot My Mistake: Forming an equation whose roots are alpha squared and beta squared
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WAEC Prep: Forming an equation whose roots are alpha over beta and beta over alpha
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Show All Working: Finding a coefficient given a stated relation between the roots
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Quiz: The factor theorem, and testing whether x minus a is a factor
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WAEC Prep: Sketching a cubic from its factorised form
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Explain Back: Forming a cubic equation whose three roots are given
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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Show All Working: Solving a pair of simultaneous linear inequalities
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