25-04-2020
Mathematics

contestada

Which of the following is a complex number?
7
2+ 3
4 + 9і
3.14

Respuesta :

chenazs70 chenazs70

25-04-2020

Answer:

4+9i

Step-by-step explanation:

i is an imaginary number

Answer Link

PollyP52 PollyP52

25-04-2020

Answer:

4 + 9i

Step-by-step explanation:

4 + 9i is a complex number.

4 is the real part and 9i is the imaginary part.

i stands for √-1.

Answer Link

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