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WITCHER [35]
3 years ago
12

What is the standard for of (1 7i)(3-i)?

Mathematics
1 answer:
marissa [1.9K]3 years ago
7 0
3 -1i + 21i -7i2 now you have to fix the last factore because you have to change the imaginery i this would give you the answer of 3 - 1i + 21i +7 now add common factor which would give you the final answer of 3 +20i +7
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