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clay

Apparently, this user prefers to keep an air of mystery about them.

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6 If $a_n = \sum\limits_{r=0}^n \binom{n}{r} b_r$, prove $(-1)^n b_n = \sum\limits_{s=0}^n \binom{n}{s} (-1)^s a_s$ Aug 10 '17
5 Explain Newton Method Variation for Finding Poles of a Function Oct 2 '17
4 Suppose $f: X \rightarrow Y$, and is one-to-one, and let $A \subseteq X$, prove that $f^{-1}[f[A]] = A$. [duplicate] Jul 10 '14
4 What is an irreducible polynomial in $\mathbb{Z}$ that has root $\sqrt{2}+\sqrt{3}$? Apr 27 '15
4 Find kernel generators for ring maps May 8 '15
4 Find Adjoint of $L = p(x) \frac{d^2}{dx^2} + r(x) \frac{d}{dx} + q(x)$ Oct 31 '19
3 Find eigenvalues of $x^2 \frac{d^2\phi}{dx^2} + x \frac{d\phi}{dx} + \lambda \phi = 0$ with boundary conditions $\phi(1) = \phi(b) = 0$ Oct 30 '19
3 For the given topologies, which sequences converge to which limits? Feb 13
3 Show that Ratio Test gives no information for $3^{-1} + 5^{-1} + 3^{-2} + 5^{-2} + 3^{-3} + 5^{-3} + \cdots$ Oct 9 '18
3 Textbook Proposition on Product of Real Analytic Functions Dec 5 '18
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