Question

15 POINTS FOR CORRECT PERSON!! PLEASE HELP The product (5+ i ) (5-i) is a real number, 26. What are the factors (5+i) and (5-i) called? Imaginary units Complex conjugates Imaginary numbers Or complex numbers?

Answer 1

Complex numbers

Explanation:

Given

`(5 + i)` and
`(5 - i)`

Required

Determine what both factors are called

From the list of given options. option "complex numbers" answer the question correctly

This is because when numbers are written in form
`a + bi` where
`b \\eq 0` and
`i = √(-1)`; such a number are referred to as complex number

Some other examples are:

`-7 + 3i`

`2 - 7i`

`4 + i`

And lots more