How do you find the product of each complex number

Kinsley Moon

Kinsley Moon

Answered question

2022-02-01

How do you find the product of each complex number 82i and its conjugate?

Answer & Explanation

Telering3b

Telering3b

Beginner2022-02-02Added 11 answers

Step 1
The conjugade is: 8+2i
so you have:
(82i)(8+2i)= use the distributive property:
=(8×8)+(2×8)i(2×8)i(2×2)(i×i)=
=64+((2×8)i(2×8)i)4i2=
but:
i2=(1)2=1
so:
64+4=68 a pure real!

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