572 prompts matching "Quiz: Subtracting one complex number from another"
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Worked example: find the modulus and argument of 3+4i
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Learn: Deriving the quadratic formula by completing the square
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Learn: The sum of the roots as minus b over a
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Learn: What makes an expression in the roots symmetric
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Learn: Forming the quadratic that decides where a line meets a curve
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Learn: What makes an expression a polynomial
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Learn: Setting out the division of a cubic by a linear expression
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Learn: The statement of the remainder theorem
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Learn: The statement of the factor theorem
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Learn: Factorising a cubic into three linear factors
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Learn: Solving a cubic once it has been factorised
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Learn: What makes a sentence a proposition
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Learn: How many rows a truth table needs
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Learn: The conditional statement, if p then q
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Learn: The biconditional, p if and only if q
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Learn: What a tautology is
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Learn: What makes an argument valid
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Learn: Arranging five different books on a shelf
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Learn: What makes a permutation cyclic
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Learn: Probability as favourable outcomes over total outcomes
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