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:<math>\beta_2=\sqrt[3]{15.938539}(\cos\frac{\phi_2+2 \cdot 1\pi}{3}+i\sin\frac{\phi_2+2 \cdot 1\pi}{3})=2.516611459(\cos\frac{\phi_2+2\pi}{3}+i\sin\frac{\phi_2+2\pi}{3})=2.516611459(\cos\frac{199.760326976+360}{3}+i\sin\frac{199.760326976+360}{3})=</math>
:<math>=2.516611459(\cos\frac{559.760326976}{3}+i\sin\frac{559.760326976}{3})= 2.516611459(\cos(186.58677566)+i\sin(186.58677566))=2.516611459(-0.9933992676-i 0.1147078688)=-2.49999998 -0.2886751369 i;</math>
:<math>\beta_3=\sqrt[3]{15.938539}(\cos\frac{\phi_2+2 \cdot 2\pi}{3}+i\sin\frac{\phi_2+2 \cdot 2\pi}{3})=2.516611459(\cos\frac{\phi_2+4\pi}{3}+i\sin\frac{\phi_2+4\pi}{3})=2.516611459(\cos\frac{199.760326976+720}{3}+i\sin\frac{199.760326976+720}{3})=</math>
:<math>=2.516611459(\cos\frac{919.760326976}{3}+i\sin\frac{919.760326976}{3})= 2.516611459(\cos(306.58677566)+i\sin(306.58677566))=2.516611459(0.59603956-i 0.80295507)=1.499999987 -2.02072592 i.</math>
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