Category: Others

Question Number 65983 by Rio Michael last updated on 07/Aug/19 $$Simplify$$$${(1+2i\sqrt{2})}^7-{(1+2i)}^7$$ Commented by Rio Michael last updated on 17/Aug/19 $${can}\:{i}\:{use}\:{de}\:{moivre}'{s}\:{theorem}?…

Question Number 131507 by Chhing last updated on 05/Feb/21 $$$$$$1/\mathrm{Show}\mathrm{that}{\left(2019\right)}^{2021}+{\left(2021\right)}^{2019}\mathrm{divided}\mathrm{by}2020$$$$2/\mathrm{Show}\mathrm{that}{2222}^{5555}+{5555}^{2222}\mathrm{divided}\mathrm{by}7$$$$$$ Answered by JDamian…