755 prompts matching "IGCSE Additional Maths Y11: Proving three points collinear using vectors — Expla"
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Show All Working: Deciding whether a number belongs to a given arithmetic progression
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Common Mistakes: An arithmetic progression with a negative common difference
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Learn: The formula for the sum of the first n terms of an arithmetic progression
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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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Practice: Finding n when the sum of an arithmetic progression is given
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Explain Back: Finding the first term from the sum and the common difference
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Spot My Mistake: The sum of an arithmetic progression with a negative common difference
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WAEC Prep: A word problem about seats in the rows of a hall
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Show All Working: The sum of the terms lying between two given positions
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Learn: What makes a sequence a geometric progression
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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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Practice: Finding the eighth term of a given 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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WAEC Prep: A geometric progression with a negative common ratio
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Show All Working: A geometric progression with a fractional common ratio
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Common Mistakes: Inserting a geometric mean between two numbers
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Learn: The formula for the sum of the first n terms of a geometric progression
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