748 prompts matching "Structured question: sum of a series expressed using sigma notation"
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Worked Example: Which form of the sum formula to use when r is less than one
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Quiz: The sum of the first six terms of a given geometric progression
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Practice: Finding n when the sum of a geometric progression is given
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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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Quiz: Using a sketch of the parabola to read off the solution
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Practice: Using a table of signs to solve a quadratic inequality
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IGCSE Additional Maths Y10: Using the factor theorem with a factor of the form ax minus b — Exam Technique
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Series exam question with show all working
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Reviewing all the laws of indices before a test
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Applying the sum to infinity formula when the ratio lies between minus one and one
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Finding the first term or common difference from the sum formula
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Deciding whether a geometric series converges
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Explaining the difference between a sequence and a series
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Reviewing every sequence and series formula before a test
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Finding a sequence's sum between two term numbers
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Explaining why sum to infinity only works for |r| < 1
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Gradient of a line joining two points
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Equation of a line given gradient and one point
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Multiplication law of indices
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