522 prompts matching "De Moivre's theorem used with a negative index"
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Spot My Mistake: Finding the inverse of a given element
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Quiz: The law for dividing powers of the same base
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Spot My Mistake: The law for a quotient raised to a power
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Quiz: An indicial equation that becomes a quadratic in a power
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Spot My Mistake: An indicial equation involving fractional bases
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Spot My Mistake: The logarithm of the base itself
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Quiz: The law for the logarithm of a power
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Spot My Mistake: Evaluating an expression using the laws of logarithms
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Quiz: Evaluating log to base 3 of 7 by change of base
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Spot My Mistake: A logarithm to base e, the natural logarithm
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Quiz: Finding the nth term of a linear sequence
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Quiz: The formula for the nth term of an arithmetic progression
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Spot My Mistake: Finding the common difference from two given terms
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Quiz: The sum of the first fifty natural numbers
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Quiz: The formula for the nth term of a geometric progression
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Spot My Mistake: Finding the common ratio when the third and sixth terms are given
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Quiz: The sum of the first six terms of a given geometric progression
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Spot My Mistake: Solving a linear inequality that contains a fraction
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Quiz: Using a sketch of the parabola to read off the solution
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Spot My Mistake: The solution when the quadratic expression is less than nought
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