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find a real and imaginary parts of the complex number? 7-(-6)^(1/2)

 Sep 27, 2015
 #1
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find a real and imaginary parts of the complex number? 7-(-6)^(1/2)

 

7-i sqrt(6)

 Sep 27, 2015
 #2
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(-6)^(1/2) = (-1)^(1/2)*6^(1/2) = i*6^(1/2)

 

So the real part of 7 - (-6)^(1/2) is just 7 and the imaginary part is -6^(1/2)

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 Sep 27, 2015

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