mata22MATA22 Final Exam Review Seminar Notes Alice Huang April 2 2019 1 Complex Numbers Problem Roots of Complex Number. Find all complex numbers x such that x4 = −1. Solution:456 Followers, 66 Following, 122 Posts - nekomataLab (@neko_mata22) on : ガラスときのガラスドームをミンネやイベントでしておりますにて