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Wendy Ye
From Zero German to B2: How I Did It WITHOUT Expensive Classes ๐ฉ๐ช #learngermanfast #germanlanguage
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Streamed 9 days ago
From Zero German to B2: How I Did It WITHOUT Expensive Classes ๐ฉ๐ช #learngermanfast #germanlanguage
![If A = [[2,-1],[3,2]] and B = [[0,4],[-1,7]] , find (3A^2 - 2B + I).](http://i.ytimg.com/vi/0DhveErBAHA/mqdefault.jpg "If A = [[2,-1],[3,2]] and B = [[0,4],[-1,7]] , find (3A^2 - 2B + I).")