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Mathematics

Notable Question

 Notable Question
Question with 2,500 views. This badge can be awarded multiple times.

earned this badge 3 times.
Let be $G$ a group and $a,b \in G$. Prove that $ (ab) ^{-1} = b^{-1}a^{-1}$
Awarded Mar 15 at 3:41
What is the difference between $\sqrt{x^2}$ and $(\sqrt{x})^2$? [closed]
Awarded Dec 4, 2023 at 17:28
How is possible that those shapes are equivalent in topology?
Awarded Aug 27, 2018 at 17:45

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