Loser66
 Name:

 School:
 About:
Most Active Subjects

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 12
 Medals Received
 6

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 7
 Medals Received
 3

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 5
 Questions Answered
 2
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 2
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 91
 Medals Received
 48

 Questions Asked
 0
 Questions Answered
 32
 Medals Received
 15

 Questions Asked
 42
 Questions Answered
 181
 Medals Received
 71

 Questions Asked
 1
 Questions Answered
 38
 Medals Received
 21

 Questions Asked
 2
 Questions Answered
 95
 Medals Received
 38

 Questions Asked
 0
 Questions Answered
 4
 Medals Received
 4

 Questions Asked
 1
 Questions Answered
 2
 Medals Received
 3

 Questions Asked
 0
 Questions Answered
 12
 Medals Received
 4

 Questions Asked
 14
 Questions Answered
 63
 Medals Received
 37

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 19
 Medals Received
 11

 Questions Asked
 0
 Questions Answered
 3
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 423
 Questions Answered
 4164
 Medals Received
 2245

 Questions Asked
 3
 Questions Answered
 7
 Medals Received
 3

 Questions Asked
 1
 Questions Answered
 27
 Medals Received
 18

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 45
 Medals Received
 20

 Questions Asked
 2
 Questions Answered
 3
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 1
 Questions Answered
 12
 Medals Received
 6

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 7
 Medals Received
 3

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 5
 Questions Answered
 2
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 2
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 91
 Medals Received
 48

 Questions Asked
 0
 Questions Answered
 32
 Medals Received
 15

 Questions Asked
 42
 Questions Answered
 181
 Medals Received
 71

 Questions Asked
 1
 Questions Answered
 38
 Medals Received
 21

 Questions Asked
 2
 Questions Answered
 95
 Medals Received
 38

 Questions Asked
 0
 Questions Answered
 4
 Medals Received
 4

 Questions Asked
 1
 Questions Answered
 2
 Medals Received
 3

 Questions Asked
 0
 Questions Answered
 12
 Medals Received
 4

 Questions Asked
 14
 Questions Answered
 63
 Medals Received
 37

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 19
 Medals Received
 11

 Questions Asked
 0
 Questions Answered
 3
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 423
 Questions Answered
 4164
 Medals Received
 2245

 Questions Asked
 3
 Questions Answered
 7
 Medals Received
 3

 Questions Asked
 1
 Questions Answered
 27
 Medals Received
 18

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 45
 Medals Received
 20

 Questions Asked
 2
 Questions Answered
 3
 Medals Received
 1

0 
Questions Asked

Loser66:
Group Title
Need answers, please, short answers. You can skip any of them if you don't want to answer.
Please, help
 updated 3 hours ago
 10 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Please give me a link to real analysis. I need some sites to understand more carefully the lecture. I am using "Elementary Classical Analysi…
 updated 15 hours ago
 8 replies
 1 Medal
Mathematics

Loser66:
Group Title
@pitamar
 updated 3 days ago
 5 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Someone helps me please.
What is the relationship between Ax =0 and Ax=b
…
 updated 4 days ago
 203 replies
 3 Medals
Mathematics

Loser66:
Group Title
compute \(\dfrac{\partial x}{\partial u}\) , \(\dfrac{\partial x}{\partial v}\), \(\dfrac{\partial y}{\partial u}\), \(\dfrac{\partial y}{\p…
 updated 6 days ago
 9 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Someone helps me please.
question on attachment
 updated 9 hours ago
 4 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Someone helps me, please
\(2\pi n < c< 2\pi n +1/n\)
cos c > cos (2pi n +1/n)…
 updated 13 days ago
 6 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Let R be a not necessarily commutative ring with identity. Let s be a nonzero element of r such that rs and sr are nonzero for all nonzero e…
 updated 14 days ago
 1 reply
 No Medals Yet
Mathematics

Loser66:
Group Title
@pitamar
Prove that f(x,y) is differentiable at (0,0) but partial derivatives are not continuous at (0,0)
function in comment box
…
 updated 14 days ago
 5 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Use chain rule to find partial derivative w.r.t x of
f(x,y) = (x^2+y^2) sin(1/(x^2+y^2))
Please, help
 updated 14 days ago
 13 replies
 1 Medal
Mathematics

Loser66:
Group Title
Someone help me understand the solution, please
http://mathforum.org/library/drmath/view/51951.html
 updated 14 days ago
 16 replies
 3 Medals
Mathematics

Loser66:
Group Title
\(f(x) =\begin{cases}h(x) ~~~if~~~ x \in \mathbb Q\\g(x) ~~~if~~~x\notin \mathbb Q\end{cases}\)
Prove that f(x) is differentiable at x = a …
 updated 17 days ago
 67 replies
 3 Medals
Mathematics

Loser66:
Group Title
Is there any short way to expand \(\dfrac{x^{1/3}a^{1/3}}{xa}\)
Please help
 updated 17 days ago
 9 replies
 3 Medals
Mathematics

Loser66:
Group Title
\(in~~Z_{24},~~find~~x~~if~~x^n=0\)
please, help
 updated 19 days ago
 29 replies
 3 Medals
Mathematics

Loser66:
Group Title
Calculus help, please
Let L be a linear map of \(\mathbb R^n\rightarrow \mathbb R^m\), let \(g:\mathbb R^n\rightarrow \mathbb R^m\) be such…
 updated 20 days ago
 2 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Prove: if A is an invertible skewsymmetric matrix, then so as A inverse.
Please, help
 updated 21 days ago
 10 replies
 1 Medal
Mathematics

Loser66:
Group Title
Someone explain me, please.
 updated 22 days ago
 27 replies
 2 Medals
Mathematics

Loser66:
Group Title
Let \(f:\mathbb R^n\rightarrow \mathbb R^m\) and suppose there is a constant M such that for \(x\in \mathbb R^n,~~f(x)\leq Mx^2\)
…
 updated 23 days ago
 4 replies
 2 Medals
Mathematics

Loser66:
Group Title
Let \(f(x) = x^{1/(x1)}\) for \(x\neq 1\). How should f(1) be defined to make f continuous at x =1?
Please, help
 updated 26 days ago
 14 replies
 3 Medals
Mathematics

Loser66:
Group Title
Need help understanding solution
Please, help
 updated 27 days ago
 1 reply
 No Medals Yet
Mathematics

Loser66:
Group Title
Find \(lim_{x\rightarrow 0}(\dfrac{1}{x^4}\dfrac{3xx^3}{3arctan x})\)
Please, help
 updated 27 days ago
 2 replies
 1 Medal
Mathematics

Loser66:
Group Title
Appreciate any tip. Please, help http://openstudy.com/study#/updates/54ce959be4b029c2c8496bd2
 updated 28 days ago
 No Medals Yet
Mathematics

Loser66:
Group Title
\(f(x) =\begin{cases}x^rsin(1/x) ~~if~~x>0\\0~~if~~x\leq 0\end{cases}\)
find values of r such that f(x) is everywhere differentiable.
Please…
 updated 29 days ago
 10 replies
 4 Medals
Mathematics

Loser66:
Group Title
I need help,
How to find out the polynomial f(x) such that f(1) =f(1)=f(0) =0 and f'(1) =f'(1)=f'(0) =0 also
Please, help
 updated one month ago
 5 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Construct a function f: R> R that is differentiable at x =1,0,1 and at no other point
Please, help
 updated one month ago
 3 replies
 1 Medal
Mathematics

Loser66:
Group Title
Suppose g:R→R is an everywhere differentiable function. Show that if g(a)≠0, then g(x) is differentiable at x =a. Hint: use the fact that…
 updated one month ago
 16 replies
 1 Medal
Mathematics

Loser66:
Group Title
Suppose \(g:\mathbb R\rightarrow \mathbb R\) is an everywhere differentiable function. Show that if \(g(a)\neq 0\), then \(g(x)\) is diffe…
 updated one month ago
 1 reply
 1 Medal
Mathematics

Loser66:
Group Title
Use the Mean Value Theorem to show that for any n>0
\(\dfrac{n}{2n+1}<\sqrt{n^2+n}n<\dfrac{1}{2}\)
Please, help
 updated one month ago
 10 replies
 1 Medal
Mathematics

Loser66:
Group Title
How to use MVT to show for any n>0\(\dfrac{n}{2n+1}<\sqrt{n^2+n}n <\dfrac{1}{2}\)
Please, help
 updated one month ago
 30 replies
 2 Medals
Mathematics

Loser66:
Group Title
Show that the ring M of n x n matrices over Real has no ideals other than 0 and M
Please, help
 updated one month ago
 36 replies
 3 Medals
Mathematics
 > Older questions