complex number

- noun a number written as
*a*+*ib*, where*i*is the square root of minus one

- A number in the
__form__of, in which*a + bi*and*a*are real numbers, and i is the square root of -1. That is,*b**i*^{2}= -1. In electronics, the__symbol__utilized to express the square root of -1 is usually. When*j*= 0, the resulting expression is an imaginary number.*a*

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