695 prompts matching "Roots that are reciprocals of one another"
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Worked Example: The alternative sum formula that uses the last term
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Quiz: The sum of the first fifty natural numbers
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Spot My Mistake: The sum of an arithmetic progression with a negative common difference
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Show All Working: The sum of the terms lying between two given positions
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Worked Example: Finding the common ratio of a geometric progression
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Quiz: The formula for the nth term of a geometric progression
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Explain Back: Finding the first term from two given terms of a geometric progression
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Spot My Mistake: Finding the common ratio when the third and sixth terms are given
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Quiz: The sum of the first six terms of a given geometric progression
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Explain Back: The sum of a geometric progression with a negative common ratio
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Show All Working: The sum to infinity of a geometric progression, and when it exists
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Explain Back: Solving a linear inequality that contains brackets
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Spot My Mistake: Solving a linear inequality that contains a fraction
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Show All Working: Writing the solution of an inequality as a set
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Worked Example: The critical values of a quadratic inequality
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Quiz: Using a sketch of the parabola to read off the solution
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Common Mistakes: A quadratic inequality that has to be rearranged first
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Worked Example: Solving the equation modulus of x equals a
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Quiz: Solving modulus of x less than a
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Explain Back: Solving an inequality such as modulus of 2x minus 1 less than 5
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