complex conjugates | The numbers a + bi and a - bi.
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complex number | Any number that can be written in the form a + bi, in which a and b are real numbers and i equals the square root of -1.
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cube of a | The expression a3.
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cube root of a | A number b such that b3 = a.
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exponent | A value that indicates the number of times a base is used as a factor.
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imaginary number | A complex number in which the real part is 0.
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imaginary unit | The imaginary number i.
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index of a radical | The number n in a1/n.
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like radicals | Radicals with the same radicand and the same index.
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nth root of a | A number b such that bn = a.
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odd root | A number b such that bn = a where n is an odd number.
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principal root | The positive even root of a positive number.
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radical | The root of a quantity denoted by an expression under a radical sign.
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radicand | The quantity under a radical sign.
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rational exponent | An exponent that is a rational number.
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square of a | The expression a2.
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