1,045 prompts matching "Expressing a rationalised answer in the form a root b over c"
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Spot My Mistake: A polynomial written in descending powers
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Show All Working: Adding and subtracting two polynomials
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Quiz: Dividing a quartic by a quadratic
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Spot My Mistake: A division that leaves a linear remainder
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Spot My Mistake: Finding two coefficients from two remainder conditions
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Show All Working: A remainder of nought, and what it means
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Quiz: Which values are worth testing as factors
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Spot My Mistake: The factor theorem applied to a quartic
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Quiz: Factorising a polynomial by grouping terms
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Worked Example: How many roots a cubic equation has
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Practice: A cubic with one real root and two complex ones
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Show All Working: Solving a cubic that must first be rearranged
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Quiz: The truth value of a simple proposition
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Spot My Mistake: The negation of a proposition
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WAEC Prep: The symbols used for and, or and not
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Show All Working: Translating an English sentence into logical symbols
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Spot My Mistake: Building a truth table column by column
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WAEC Prep: A truth table with three propositions in it
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Spot My Mistake: The contrapositive of a conditional
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Show All Working: Why a conditional and its converse are not equivalent
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