x k = 16 m 2 4 ( cos π + 2 k π 4 + i sin π + 2 k π 4 ) , k = 0 , 1 , 2 , 3 {\displaystyle \scriptstyle {\mathsf {x_{k}=\textstyle {\sqrt[{4}]{16 \over {m^{2}}}}{\Big (}\scriptstyle \cos \textstyle {{\pi +2k\pi } \over 4}\scriptstyle +i\sin \textstyle {{\pi +2k\pi } \over 4}{\Big )},\ \scriptstyle k=0,1,2,3}}}
x k = 16 m 2 4 ( cos π + 2 k π 4 + i sin π + 2 k π 4 ) , k = 0 , 1 , 2 , 3 {\displaystyle {\mathsf {x_{k}={\sqrt[{4}]{16 \over {m^{2}}}}{\Big (}\cos {{\pi +2k\pi } \over 4}+i\sin {{\pi +2k\pi } \over 4}{\Big )},\ k=0,1,2,3}}}
![{\displaystyle \scriptstyle {\mathsf {x_{k}=\textstyle {\sqrt[{4}]{16 \over {m^{2}}}}{\Big (}\scriptstyle \cos \textstyle {{\pi +2k\pi } \over 4}\scriptstyle +i\sin \textstyle {{\pi +2k\pi } \over 4}{\Big )},\ \scriptstyle k=0,1,2,3}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/6edf5d5de91cb08b2e105e3569d9cfa59eef8d40)
![{\displaystyle {\mathsf {x_{k}={\sqrt[{4}]{16 \over {m^{2}}}}{\Big (}\cos {{\pi +2k\pi } \over 4}+i\sin {{\pi +2k\pi } \over 4}{\Big )},\ k=0,1,2,3}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/0196deaa5e9d4f18b0784ebe99a78c5e784e13c7)
