5xum
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33,167
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# 33,167 Reputation

275 today
 +90 11 hours ago 9 events how many solutions does a 3x3 linear systems have? +42 7 hours ago 5 events Why should quaternions exist? +35 12 hours ago 3 events If $\gcd(ab,c)=d$ and $c|ab$ then $c=d$ +25 12 hours ago 2 events Check whether this is indeed a counterexample +25 / -2 12 hours ago 3 events Reducing TIC-TAC TOE State Space by using Symmetry in Artificial Intelligence +20 12 hours ago 2 events proof-similar matrices have the same characteristic polynomial +15 2 hours ago accept Is this matrix multiplication correct +15 18 hours ago accept If $b \equiv 0 \pmod a$ and $c \equiv 0 \pmod b$, then $c \equiv 0 \pmod a$ +10 9 hours ago upvote Can we express a $\forall x\in S \exists y\in T ~P(x,y)$ statement solely through $\land, \lor, \Rightarrow$? 4 hours ago 2 events How to find this type limit which has polynomial in sqrt?
128 yesterday
 +50 23:26 5 events Why should quaternions exist? +35 11:51 3 events Prove that triangle inequality $|a + b| \le |a| + |b|$ holds when $(a + b) \ge 0, a \ge 0, b < 0$ +25 10:05 2 events {If $\frac{1+4p}{p},\frac{1-p}{4},\frac{1-2p}{2}$ are probabilities of$3$ mutually exclusive events. +10 15:57 upvote Probability that the eventually a six on a dice will appear. +10 10:14 upvote Probabilities of errors in three independent transmissions -2 07:48 downvote If $b \equiv 0 \pmod a$ and $c \equiv 0 \pmod b$, then $c \equiv 0 \pmod a$
205 2 days ago
 +65 07:43 6 events Are all normed linear spaces Hausdorff? What about a bounded subset of a normed linear space? +45 09:38 4 events To show that $f(x)= \frac{1}{x}$ is not uniformly continuous on $(0,\infty)$ +20 23:21 2 events Probability that the eventually a six on a dice will appear. +20 06:46 2 events Show a linear $\mathbb{R} \rightarrow \mathbb{R}^2$ function is continous +15 02:54 accept What algebraic structure do date, temperature, and similar quantities belongs to? +10 21:14 upvote Evaluating the ratio ${{a_{n+1}}\over{a_n}}$ in calculating the radius of convergence for a power series +10 16:41 upvote Six throws, only two distinct numbers: coincidence? +10 15:08 upvote Find the least positive residue of $10^{515}\pmod 7$. +10 00:10 upvote Is $A(x, y, z) = (xy + z, yz - x)$ a linear function?
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