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OpenStudy (anonymous):
What is the S to the 10-th power, if S is the sum of the solutions of the equation 2x2 - 2ix +10=0, where i=√(-1).
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hartnn (hartnn):
sum of roots = -b/a in ax^2+bx+c=0
hartnn (hartnn):
here sum = 2i/2 = i so i^10=?
OpenStudy (anonymous):
-1
hartnn (hartnn):
yup
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