Løs for x (complex solution)
x=2^{\frac{3}{5}}e^{\frac{2\pi i}{5}}\approx 0,468382178+1,441532117i
x=2^{\frac{3}{5}}\approx 1,515716567
x=2^{\frac{3}{5}}e^{\frac{4\pi i}{5}}\approx -1,226240461+0,890915844i
x=2^{\frac{3}{5}}e^{\frac{6\pi i}{5}}\approx -1,226240461-0,890915844i
x=2^{\frac{3}{5}}e^{\frac{8\pi i}{5}}\approx 0,468382178-1,441532117i
Løs for x
x=2^{\frac{3}{5}}\approx 1,515716567
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