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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
3 Find kernel generators for ring maps May 8 '15
3 Prove that $3^n > 2n^2 + 3n$ for $n \in [4,\infty) \cap\mathbb{N}$ Jun 14 '14
3 Prove $A = (A \setminus B) \cup (A \cap B)$ Jun 22 '14
3 Determine the matrix of the operator $T: M \mapsto AMB$ on the space $F^{2\times 2}$ of $2 \times 2$ matrices Mar 24 '15
3 Homework Problem on Absolute + Relative Error [closed] Sep 18 '17
3 Solve linear system of equations in $\mathbb{Z}/m\mathbb{Z}$ Nov 14 '16
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