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 these days I am working so not active lately.
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0 
Questions Answered

rubcksy:
Group Title
find the volume below the surface z=x^2+y^2 above z=0 and inside the cylinder x^2+y^2=2y
(ANSWER=3π/2)
 updated 9 months ago
 1 reply
 No Medals Yet
Mathematics

BrighterDays:
Group Title
Trying to figure out if I did this correctly. If someone could look at my work it would be appreciated! :)
Indefinite integral of dx/x^…
 updated 9 months ago
 10 replies
 3 Medals
Mathematics

RolyPoly:
Group Title
Let A and B be square matrices of the same size. If A and B are both ______, so is AB.
1) symmetric
2) invertible
…
 updated 9 months ago
 31 replies
 1 Medal
Mathematics

RolyPoly:
Group Title
Let A be a 4x7 matrix with rank 4. Which of the following(s) is/are true?
1) the rows of A are linearly independent
2) the columns of A mu…
 updated 9 months ago
 12 replies
 1 Medal
Mathematics

annas:
Group Title
@Callisto here is the image of the circuit
 updated 9 months ago
 36 replies
 3 Medals
Mathematics

aajugdar:
Group Title
find limit superior and limit inferior of sequence where Xn = {1,2,3,1,2,3,1,2,3,...}
 updated 9 months ago
 15 replies
 3 Medals
Mathematics

sarahusher:
Group Title
Transition Matrix  Markov Chains
Let \[P _{2}=\left[\begin{matrix}1\alpha & \alpha \\ \beta & 1\beta\end{matrix}\right]\]…
 updated 9 months ago
 6 replies
 No Medals Yet
Mathematics

christine.joy:
Group Title
give the required equation of the parabola describe with the following characterisitcs.
1. V(4,3) F(2,3)
2. V(3,2) x=11 as directrix
…
 updated 9 months ago
 89 replies
 1 Medal
Mathematics

walpurgishacked:
Group Title
In the context of quantum physics, what does degeneracy actually mean?
 updated 9 months ago
 2 replies
 2 Medals
Mathematics

neer2890:
Group Title
how to integrate cos (hat)*cosat??
 updated 9 months ago
 18 replies
 2 Medals
Mathematics

nls1997:
Group Title
$\mbox{If }\overleftrightarrow {AC} \parallel \overleftrightarrow{EF} m\angle {EFC} = 113^\circ, m\angle {BEF} = 71^\circ,\mbox{ find }m\ang…
 updated 9 months ago
 1 reply
 No Medals Yet
Mathematics

saba92:
Group Title
hi my question is:∫(√ ̅u+1)^5/√ ̅u du
 updated 9 months ago
 3 replies
 3 Medals
Mathematics

hysenberg:
Group Title
complex number question
 updated 9 months ago
 22 replies
 1 Medal
Mathematics

bella__1:
Group Title
find the function ,
 updated 9 months ago
 4 replies
 No Medals Yet
Mathematics

MotasemAlSayed:
Group Title
Find the solution of the Laplace’s equation in the square region 0<x, y<pi subject to the boundary conditions { u(x,0 ) =f(x), u(x,pi)=f(x)…
 updated 9 months ago
 3 replies
 No Medals Yet
Mathematics

mathslover:
Group Title
Find the electric field intensity at a point O due to straight line charge of linear charge density = \(\lambda\) .
@hartnn @ganeshie8
 updated 9 months ago
 70 replies
 5 Medals
Mathematics

ParthKohli:
Group Title
Nice little problem.
Show that \(\dfrac{(ax  b)(dx c)}{(bx  a)(cx  d)}\) will be capable of all real values if \(a^2  b^2\) and \(c^2 …
 updated 9 months ago
 23 replies
 5 Medals
Mathematics

cody_123:
Group Title
\[\lim_{x \rightarrow \infty} \frac{ \ln x^n[x] }{ [x] }\]
 updated 9 months ago
 38 replies
 4 Medals
Mathematics

AkashdeepDeb:
Group Title
Just how do I do this exactly?
Question attached:
 updated 9 months ago
 79 replies
 7 Medals
Mathematics

tianen:
Group Title
how to draw the region integration G of this triple integral and thus integration?
 updated 9 months ago
 9 replies
 No Medals Yet
Mathematics

shubhamsrg:
Group Title
Another Bump :
n (> 1) lotus leafs are arranged in a circle. A frog jumps from a particular leaf by the following rule: It always moves cloc…
 updated 9 months ago
 170 replies
 9 Medals
Mathematics

kristinak:
Group Title
please help!! A baseball is thrown upward from ground
level with an initial velocity of 49 feet per
second, and its height h in feet is give…
 updated 9 months ago
 42 replies
 1 Medal
Mathematics

╰☆╮Openstudier╰☆╮:
Group Title
Help me with chemistry
 updated 9 months ago
 11 replies
 2 Medals
Mathematics

M4thM1nd:
Group Title
Solve This Integral
 updated 9 months ago
 18 replies
 5 Medals
Mathematics

amrit_gaire:
Group Title
find partial derivatives of
tan^(1)(2xy/(x^2y^2))
 updated 9 months ago
 1 reply
 No Medals Yet
Mathematics

thushananth01:
Group Title
anyone please help me to do this :)
 updated 9 months ago
 27 replies
 2 Medals
Mathematics

alooy:
Group Title
how to inverse 12616s^2 /(s^2+9)s^2
 updated 9 months ago
 8 replies
 1 Medal
Mathematics

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/751410/provefinftyainftyrightarrowbinftyisabijection
 updated 9 months ago
 50 replies
 No Medals Yet
Mathematics

Freddi_Rene18:
Group Title
Determine if the series converges absolutely, converges, or diverges. (series is below)
 updated 9 months ago
 15 replies
 2 Medals
Mathematics

Spacelimbus:
Group Title
Use the Theorem of PicardLindelöf (also known as CauchyLipschitz) to show that the IVP has a unique solution in the Interval \(I_\alpha\) …
 updated 10 months ago
 7 replies
 1 Medal
Mathematics
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