taylorraffle225 taylorraffle225

11-01-2021
Mathematics

contestada

Perform the operation and get
your answer in the form a + bi.
(5 – 2i)(5 + 2i)

[?] + [ ]i

Respuesta :

yasmitadp yasmitadp

11-01-2021

Answer:

Step-by-step explanation:

(5-2i) ( 5+2i) = (5^2) - ((2i)^2) = 25 - 4i^2

= 25 - 4(-1) = 25 +4 = 29 + 0i

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