675 prompts matching "Raising a complex number to a power by de Moivre's theorem"
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Number of elements in a set from a Venn diagram region count
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Applying the sum to infinity formula when the ratio lies between minus one and one
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Arithmetic mean between two numbers
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Word problem: total distance from a bouncing ball
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Condition for two lines to be perpendicular
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Equation of the perpendicular bisector of a segment
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Finding the equation of a line parallel to the x-axis or y-axis through a point
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Factorising the difference of two squares
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Factorising a quadratic with a coefficient in front of x squared
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Quiz me rapid-fire on expanding and factorising
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Learn: Simplifying root 72 into its simplest form
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Worked Example: Adding two surds that simplify to the same root
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Final Revision: A word problem that leads to an equation in surd form
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WAEC Prep: Writing a binary operation rule from a description in words
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WAEC Prep: A set closed under one operation but not another
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Show All Working: Showing a set is not closed by a single counter-example
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Learn: What it means for an operation to be commutative
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Learn: What it means for one operation to distribute over another
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WAEC Prep: The inverse of the identity element itself
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