1,045 prompts matching "Rejecting a negative answer in an indicial equation"
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Spot My Mistake: A pair with equal roots, meaning one solution only
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Final Revision: Checking both solutions in both equations
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Spot My Mistake: Finding the values of c for which a line is a tangent
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Quiz: The leading term and the constant term
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Show All Working: Adding and subtracting two polynomials
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Show All Working: A remainder of nought, and what it means
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Worked Example: How many roots a cubic equation has
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Show All Working: Solving a cubic that must first be rearranged
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Common Mistakes: A cubic equation arising from a volume problem
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Show All Working: Translating an English sentence into logical symbols
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Quiz: Disjunction and the inclusive or
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Show All Working: Why a conditional and its converse are not equivalent
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Spot My Mistake: De Morgan's laws in logic
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WAEC Prep: Testing an argument for validity by truth table
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Show All Working: Arrangements of boys and girls alternately
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Quiz: Why one person is fixed in a circular arrangement
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Spot My Mistake: Arrangements round a table with men and women alternating
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Show All Working: A circular arrangement with one fixed seat such as the head
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Show All Working: Selecting a committee with the chairman named separately
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Quiz: Expanding a bracket to the power four using Pascal's triangle
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