If x = 2 + 3i, then find (x - 2)^2 + 3.
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Answered by
4
Step-by-step explanation:
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Answered by
8
Answer:
-6
Step-by-step explanation:
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given: x=2+3i
to find: (x-2)^2+3
sol: (x-2)^2+3
=> x^2 +4-4x+3
=> (2+3i)^2+4-4(2+3i)+3
=> 4-9+12i+4-8-12i+3
=> 12i-12i+4+3-9-8
=> 0+7-17
=> -6
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