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snow_tiger [21]

3 years ago

12

Find the product of -2+2i and its conjugate

1 answer:

horsena [70]3 years ago

4 0

Answer:

8

Step-by-step explanation:

The conjugate of - 2 + 2i is - 2 - 2i, hence

(- 2 + 2i)(- 2 - 2i) ← expand factors using FOIL

= 4 + 4i - 4i - 4i² [ note i² = - 1 ]

= 4 + 4

= 8

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