alyzabethalvarez22 alyzabethalvarez22

19-04-2022
Mathematics

contestada

For each item, find the product of the complex number and its complex conjugate. Show your work.
(a) 10-14i
(b)-5-12i
(c) 8+3i
(d) - 9-5i

Respuesta :

jsimpson11000 jsimpson11000

19-04-2022

Answer:

114

Step-by-step explanation:

Here is the first one.....you should be able to do the others

(10-14i)(10+ 14i) expand

100 + 140i - 140i - 14i^2

100 - 14i^2 remember i = sqrt (-1) so i^2 = -1

100 - (14 *-1)

114

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