713 prompts matching "De Moivre's theorem used with a negative index"
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Show All Working: Completing the square with a fractional coefficient of x
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Practice: Giving the roots correct to two decimal places
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Final Revision: A word problem solved with the quadratic formula
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Show All Working: Roots equal in magnitude but opposite in sign
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Worked Example: The identity linking alpha squared plus beta squared to the sum and product
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Explain Back: Writing the answers as ordered pairs
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Worked Example: The discriminant used as the test for intersection
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Common Mistakes: A line and a curve meeting once without the line being a tangent
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Worked Example: The degree of a polynomial in one variable
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Practice: A division that leaves no remainder
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Explain Back: A division that leaves a constant remainder
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Common Mistakes: The degree of the quotient and of the remainder
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Worked Example: The remainder on dividing by x minus 3
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Practice: The remainder on dividing by 2x minus 1
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Explain Back: Finding a coefficient when the remainder is given
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Show All Working: A remainder of nought, and what it means
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Show All Working: What the factor theorem says about the roots
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Common Mistakes: Using the factor theorem before dividing
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Show All Working: Factorising a polynomial with fractional roots
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WAEC Prep: A truth table with three propositions in it
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