imaginary number

- noun a complex number written as
*a*+*ib*, where*i*is the square root of minus one, and*b*is not__equal__to zero

- A number in the form of
, in which*bi*is a*b*__real number__, andis the square*i*__root__of -1. That is,*i*^{2}= -1. In electronics, the symbol utilized to express the square root of -1 is usuallyA complex number has the form of*j.*, in which*a + bi*and*a*are real numbers, and*b*is the square root of -1. Also called imaginary quantity.*i* - synonym imaginary quantity

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