PROOF THAT $(AA^{-1}=I) \\RIGHTARROW (AA^{-1} = A^{-1}A)$
I'm trying to prove a pretty simple problem - commutativity of multiplication of matrix and its inverse. But I'm not sure, if my proof is correct, because I'm not very experienced. Could you, … From bing.com
IF $A A^{-1} = I$, DOES THAT AUTOMATICALLY IMPLY $A^{-1} A = I$?
Mar 30, 2020 A -1 A means that first we apply A transformation then we apply A -1 transformation. When we apply A transformation we reach some plane having some different … From bing.com
WHY IS $1/I$ EQUAL TO $-I$? - MATHEMATICS STACK EXCHANGE
May 11, 2015 11 There are multiple ways of writing out a given complex number, or a number in general. Usually we reduce things to the "simplest" terms for display -- saying $0$ is a lot … From bing.com
WHY IS $1^ {\INFTY}$ CONSIDERED TO BE AN INDETERMINATE FORM
The reason why $1^\infty$ is indeterminate, is because what it really means intuitively is an approximation of the type $ (\sim 1)^ {\rm large \, number}$. And while $1$ to a large power is … From bing.com
The theorem that $\binom {n} {k} = \frac {n!} {k! (n-k)!}$ already assumes $0!$ is defined to be $1$. Otherwise this would be restricted to $0 <k < n$. A reason that we do define $0!$ to be $1$ is … From bing.com
WHAT DOES $QAQ^ {-1}$ ACTUALLY MEAN? - MATHEMATICS STACK …
Apr 28, 2020 I'm self-learning Linear Algebra and have been trying to take a geometric approach to understand what matrices mean visually. I've noticed this matrix product pop up repeatedly … From bing.com
WHAT IS THE VALUE OF $1^I$? - MATHEMATICS STACK EXCHANGE
Aug 30, 2010 There are infinitely many possible values for $1^i$, corresponding to different branches of the complex logarithm. The confusing point here is that the formula $1^x = 1$ is … From bing.com
Jun 13, 2020 Is there a formal proof for $(-1) \\times (-1) = 1$? It's a fundamental formula not only in arithmetic but also in the whole of math. Is there a proof for it or is it just assumed? From bing.com
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