About 50 results
Open links in new tab
  1. Properties of The Number 137 - Mathematics Stack Exchange

    Dec 2, 2016 · I found another Properties such that $137=2^7+2^3+1$ or the only way to write the number $137$ as a summation of two square numbers is $137=4^2+11^2$. thanks for your advice …

  2. Find an integer $r$ with $0 ≤ r ≤ 10$ such that $7^ {137 }≡ r (\text ...

    Oct 26, 2020 · Your working is fine. You need to end by noting that $-5 \equiv 6 \pmod {11}$ since they asked for a residue between $0$ and $10$. An alternative approach would be: $7^ {137} \equiv (-4)^ …

  3. Mathematics Stack Exchange

    Q&A for people studying math at any level and professionals in related fields

  4. abstract algebra - Remainder of dividing $x^ {137}+x+1$ by $x+5 ...

    little bit. I'm trying to solve a problem that said, what is the remainder of dividing x ^ 137 + x + 1 in x + 5? in $\mathbb {Z}_7 [x]$

  5. User Asaf Karagila - Mathematics Stack Exchange

    Jan 26, 2013 · University Academic Fellow and a UKRI Future Leaders Fellow at the University of Leeds, mostly interested in set theory. Originally from Israel; usually can be found doing some …

  6. Series expansion: $\\frac{1}{(1-x)^n}$ - Mathematics Stack Exchange

    Jan 24, 2016 · What is the expansion for $(1-x)^{-n}$? Could find only the expansion upto the power of $-3$. Is there some general formula?

  7. calculus - Exponential Decay Question: The Half-Life of Cesium-137 is ...

    Aug 6, 2015 · Exponential Decay Question: The Half-Life of Cesium-137 is 30 Years. Suppose We Have a 100-mg Sample. Ask Question Asked 10 years, 6 months ago Modified 10 years, 6 months ago

  8. general topology - Mathematics Stack Exchange

    Oct 30, 2025 · First, let's define the Arkhangel'skii "sheaf amalgamation properties" $\\alpha_i$, following Tsaban and Zdomskyy. In a topological space $X$, a countably ...

  9. calculus - How to apply a squared operator to a function?

    Sep 13, 2024 · If you've had some group theory (just the beginnings of it, such as the first day or two in a class or text), then $\left (x\frac {d} {dx}x\right)^2$ is interpreted the same as $ (abc)^2$ in a group …

  10. intuition - An intuitive explanation of the Taylor expansion ...

    Nov 3, 2018 · Could you provide a geometric explanation of the Taylor series expansion?