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8^(ln ((-1.5+0.5i*sqrt(31)))/ln 2)+2^(ln ((-1.5+0.5i*sqrt(31)))/ln 2)
8^(ln ((-1.5+0.5i*sqrt(31)))/ln 2)+2^(ln ((-1.5+0.5i*sqrt(31)))/ln 2)
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