Answer:
Complex numbers
Step-by-step explanation:
Given
5 + i and 5 - i
Required
What are they called?
In numbering system,
Complex numbers are of the form:
[tex]a + bi[/tex]
Comparing the given numbers to the form of complex number, we'll see that there's a perfect match between the two
i.e.
[tex]a + bi = 5 + i[/tex]
[tex]a + bi = 5 - i[/tex]
Hence, they are referred to as complex numbers