1,044 prompts matching "Simplifying the answer once the denominator is rational"
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Worked example: simplify (4+3i)/(1-2i)
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Quiz me on quadratic inequalities
I am in SS 2. Quiz me with five short quadratic inequality questions of increasing difficu
WAEC Prep: A quadratic with a repeated root
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Show All Working: A quadratic whose two roots are both negative
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Show All Working: Roots equal in magnitude but opposite in sign
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WAEC Prep: Forming an equation whose roots are alpha plus one and beta plus one
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Show All Working: Forming an equation whose roots are three alpha and three beta
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WAEC Prep: A pair that gives no real solution at all
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WAEC Prep: Expressions that are not polynomials, and why not
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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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Show All Working: Solving a cubic that must first be rearranged
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WAEC Prep: A truth table with three propositions in it
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WAEC Prep: Why a conditional and its contrapositive are equivalent
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Show All Working: Why a conditional and its converse are not equivalent
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WAEC Prep: A tautology used to justify a rule of algebra
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WAEC Prep: Testing an argument for validity by truth table
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WAEC Prep: Arrangements with two particular items not adjacent
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Show All Working: Arrangements of boys and girls alternately
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WAEC Prep: A selection with at most a stated number of one kind
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