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Oduvanchick [21]
2 years ago
15

100 POINTS!!!!! WILL GIVE BRAINLIEST!!!!!!! Show that: (a + bi)^2 = (a + b)(a − b) + 2abi

Mathematics
1 answer:
inna [77]2 years ago
8 0

Step-by-step explanation:

(a+bi)2

=a2 +2abi +b2i2

=a2 +2abi + b2. (-1)

=a2 -b2 +2abi

Answer = (a+b(a-b) +2abi

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