1,238 prompts matching "a GP with first term 100 and common ratio 0.5, find the sum to infinity"
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Spot My Mistake: The factor theorem for a divisor of the form ax minus b
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WAEC Prep: Sketching a cubic from its factorised form
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Learn: The sum of the roots of a cubic read from its coefficients
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Quiz: The product of the roots of a cubic
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Practice: Finding the third root of a cubic when two are known
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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Final Revision: Checking that the roots found satisfy the original equation
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Quiz: Solving a quadratic inequality using a sign table
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Spot My Mistake: Showing the solution of an inequality on a number line
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WAEC Prep: Writing a solution set in interval notation
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Final Revision: The region of the plane satisfying a set of linear inequalities
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Quiz: The number of arrangements of r objects chosen from n
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Practice: Arrangements when some of the objects are identical
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Spot My Mistake: Arrangements in which two particular objects must be kept apart
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WAEC Prep: Circular permutations of n objects round a table
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Final Revision: Counting the number plates or codes that can be formed under a rule
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Quiz: Choosing a committee of r people from n
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Practice: Choosing a committee that must contain one particular person
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Spot My Mistake: The identity that n choose r equals n choose n minus r
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Learn: The Pythagorean identity, sin squared plus cos squared equals one
You are my personal SS3 Further Mathematics tutor. Teach me the Pythagorean identity, sin