3 years ago

Multiply. Write the answer in standard form. (8+3i)2=

Mathematics

1 answer:

Flauer [41]3 years ago

6 0

Answer:

55 +48i

Step-by-step explanation:

Complex numbers can be treated as though they were binomials with a variable "i". At the end, any instance of i² can be replaced by -1.

(8 +3i)² = 8² + 2(8)(3i) +(3i)² = 64 +48i -9

= 55 +48i

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