SOLUTION: simplify (2 - sqrt of -8)sqrd. write the answer in standard for a+bi
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Question 789872: simplify (2 - sqrt of -8)sqrd. write the answer in standard for a+bi
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
(2 - sqrt of -8)sqrd. write the answer in standard for a+bi
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(2-sqrt(-8))^2
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= (2-2isqrt(2))^2
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= 4 - 8isqrt(2) + (2isqrt(2))^2
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= 4 - 8isqrt(2 - 8
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= -4-8isqrt(2)
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Cheers,
Stan H.
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