摘要: 2.1 Show that the regular pentagon can be constructed with straight-edge and compass. Solution: Let \(z=e^{\frac{2\pi i}{5}}\), \(x_1=z+z^4=2\cos{\fra 阅读全文
posted @ 2025-08-04 22:32 Jeffreyyang15 阅读(28) 评论(0) 推荐(0)