mata22Matematikcentrum Matematik NF Course Analysis for MATA22 ar Algebra 1 Autumn 2025 Lecturer: Anna-Maria Persson Seminar leaders: Henrik Ekström, Jorge Asategui, Raul HindovMATA22 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: