UsukiDoll
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Questions Asked

UsukiDoll:
Group Title
@dan815 are you there? I have a pde problem
 updated 3 days ago
 32 replies
 No Medals Yet
Mathematics

UsukiDoll:
Group Title
integration by parts problem see link... How do I tackle this since this is the only problem I have
Keep in mind we are integrating with re…
 updated one month ago
 22 replies
 2 Medals
Mathematics

UsukiDoll:
Group Title
quick question how do I change e^C to C for
$e^{lny}=e^{x+C}$
…
 updated 2 months ago
 47 replies
 8 Medals
Mathematics

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/931921/findtheparticularsolutionofux2uy4uexysatisfyingthefollowings
 updated 2 months ago
 29 replies
 No Medals Yet
Mathematics

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/930314/findasolutiongxthatsatisfiesthepdeux3uyu1
 updated 2 months ago
 7 replies
 No Medals Yet
Mathematics

UsukiDoll:
Group Title
find some constants $a$ and $b$ (not both zero), such that $u(x,y)=f(ax+by)$ is a generic solution, where $f$ is an arbitrary $C^1$ function…
 updated 2 months ago
 44 replies
 2 Medals
Mathematics

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/927336/usingseparationofvariablestosolveutt16uxxuxt
 updated 2 months ago
 12 replies
 No Medals Yet
Mathematics

UsukiDoll:
Group Title
suppose I want to multiply 2 x 5 in base 2. I know how to create the table but then I am stuck. I know 2 x 5 = 10 but that's base 10. I don'…
 updated 2 months ago
 58 replies
 3 Medals
Mathematics

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/923137/findasolutiontolaplacesequationthatsatisfiespolarcoordinatesandshow
 updated 2 months ago
 110 replies
 1 Medal
Mathematics

UsukiDoll:
Group Title
Finding solutions that would satisfy the wave equation and Laplace equation ...pdes
see attachments
 updated 2 months ago
 14 replies
 1 Medal
Mathematics

UsukiDoll:
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pde example problem
 updated 2 months ago
 22 replies
 3 Medals
Mathematics

UsukiDoll:
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What is the least number of weights required to weight any integral number of pounds up to 63 pounds if one is allowed to put weights in onl…
 updated 2 months ago
 84 replies
 2 Medals
Mathematics

UsukiDoll:
Group Title
number theory proof problem regarding Euclid's Division Lemma
 updated 2 months ago
 107 replies
 4 Medals
Mathematics

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/864114/findasolutiontoalinearsystemusingthedoperatorandmethodofeliminatio
 updated 4 months ago
 53 replies
 2 Medals
Mathematics

UsukiDoll:
Group Title
constant coefficient problem
y'''2y''y'+2y = 0
 updated 6 months ago
 10 replies
 2 Medals
Mathematics

UsukiDoll:
Group Title
separable equation 1/x dx + dy = 0
 updated 6 months ago
 11 replies
 1 Medal
Mathematics

UsukiDoll:
Group Title
dy/dx = x+1 / y separable equation
 updated 6 months ago
 9 replies
 3 Medals
Mathematics

UsukiDoll:
Group Title
another separable equation
xdx+ydy = 0
 updated 6 months ago
 15 replies
 4 Medals
Mathematics

UsukiDoll:
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separable equation see drawing
 updated 6 months ago
 29 replies
 3 Medals
Mathematics

UsukiDoll:
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http://math.stackexchange.com/questions/751410/provefinftyainftyrightarrowbinftyisabijection
 updated 6 months ago
 50 replies
 No Medals Yet
Mathematics

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/776815/letaabcfgibbfhandcaklmshowthatbackslashis
 updated 6 months ago
 2 replies
 No Medals Yet
Mathematics

UsukiDoll:
Group Title
Cauchy sequence... I need to prove 03 and 04.
 updated 6 months ago
 55 replies
 No Medals Yet
Mathematics

UsukiDoll:
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http://math.stackexchange.com/questions/767117/letabinrwhereabprovethatthereexistarationalnumbercand/767138?noredirect=1#767…
 updated 7 months ago
 88 replies
 5 Medals
Mathematics

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/766935/provethatifyzinqthenyzina
 updated 7 months ago
 34 replies
 1 Medal
Mathematics

UsukiDoll:
Group Title
prove that gcd(a,m) = 1 and gcd(b,m) = 1 if and only if gcd(ab,m) = 1
Just If gcd(ab,m) = 1, then gcd(a,m) = 1 and gcd(b,m) = 1 only
 updated 7 months ago
 12 replies
 2 Medals
Mathematics

UsukiDoll:
Group Title
@satellite73 need your help figuring this out.... going to type in details in the comments
 updated 7 months ago
 25 replies
 No Medals Yet
Mathematics

UsukiDoll:
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@satellite73 need help with something link in comments
 updated 7 months ago
 45 replies
 No Medals Yet
Mathematics

UsukiDoll:
Group Title
Let \(R\) be a reflexive and transitive relation on a set \(S\). Let \(R^*\) be the dual relation, \((a,b) \in R^*\) if and only if \((b,a) …
 updated 7 months ago
 62 replies
 No Medals Yet
Mathematics

UsukiDoll:
Group Title
Question: A number is said to be algebraic if it is the root (zero) of a polynomial with integer coefficients. Show that the set of algebrai…
 updated 7 months ago
 87 replies
 3 Medals
Mathematics

UsukiDoll:
Group Title
Define a product of pairs setting \((a,b) \cdot (c,d) = (ac+bd,ad+bc)\) . Show that this operation is well defined for equivalence classes.
 updated 7 months ago
 50 replies
 No Medals Yet
Mathematics
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