554 prompts matching "Explain why a matrix with zero determinant has no inverse"
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Quiz: The formula for the nth term of an arithmetic progression
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Spot My Mistake: Finding the common difference from two given terms
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Final Revision: Inserting an arithmetic mean between two numbers
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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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WAEC Prep: A word problem about seats in the rows of a hall
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Final Revision: A savings problem modelled by an arithmetic 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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Spot My Mistake: Finding the common ratio when the third and sixth terms are given
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Final Revision: Deciding whether a given sequence is a geometric progression
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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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Spot My Mistake: A compound interest problem modelled by a geometric progression
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WAEC Prep: A population growth problem modelled by a geometric progression
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Final Revision: Proving the sum formula for a geometric progression
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Worked Example: Adding or subtracting the same number on both sides
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Quiz: Multiplying both sides by a positive number
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Spot My Mistake: Solving a linear inequality that contains a fraction
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WAEC Prep: Showing the solution of a linear inequality on a number line
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