emicrowe21 emicrowe21

05-12-2021
Mathematics

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Find the product of ( - 6 + 3i) and its conjugate.
product =
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Respuesta :

mhanifa mhanifa

21-02-2022

Answer:

45

Step-by-step explanation:

The conjugate of the given is:

( - 6 - 3i)

Find their product:

(- 6 + 3i)( - 6 - 3i) =
(-6)² - (3i)² =
36 - 9i² =
36 - 9(- 1) =
36 + 9 =
45

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