141KiB, 864x864, 0z4GREB.jpg View SameGoogleiqdbSauceNAO Anonymous Fri 22 Feb 16:23:13 2019 No.10408296 ViewReplyOriginalReport Quoted By: >>10408303 I never knew how much we need to use linear algebra and Topology and group theory in physics. How can I learn them in one month?