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08-07-2020
Mathematics

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Find the product of the complex number: 4 - 3 i and its conjugate. 25 -7 7

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billgkgk billgkgk

08-07-2020

Answer: 25

Step-by-step explanation: The conjugate has the same numbers with the opposite sign in the middle

(4 -3i)(4 + 3i)

16 -12i +12i -9i² substitute (-1) for i² Middle terms "cancel"

16 +0 -9(-1)

16 +9

25

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