eliassaab
Name:
Elias Saab
School:
University of Missouri Columbia
About:
I am a retired University Math Professor and I joined to help the students with their questions.
You can see many interactive online tests that I wrote om http://saab.org
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Questions Answered
mayankdevnani:
Group Title
So CONFUSING FOR ME ???
…
updated 3 hours ago
56 replies
2 Medals
Mathematics
BackTo90sRegime:
Group Title
Find the series solution (centered at zero) to the differential equation y'+12xy=0. Find the general term of the series and identify it as t…
updated yesterday
5 replies
No Medals Yet
Mathematics
caozeyuan:
Group Title
Homework due in 30 min!!!!
Verify Green theorem by computing both the line integral and the double integral
updated yesterday
23 replies
1 Medal
Mathematics
clawd:
Group Title
Find f^-1(x) given that f (x) is 2/3-4x
updated 2 days ago
2 replies
No Medals Yet
Mathematics
Arsene:
Group Title
How can I solve: sin(ln(x+1000)-sin(ln(x)) when x approaches infinity
updated 2 days ago
4 replies
1 Medal
Mathematics
CalcII:
Group Title
negate the statement: for every epsilon>0, there exists delta>0, such that abs(f(x)-f(0))<epsilon for all -delta<x<delta
updated 2 days ago
13 replies
4 Medals
Mathematics
KitKat16:
Group Title
Please Help!!! Algebra 2 reading graph
Which statement about the polynomial function in this graph is true?
The degree is odd, and the lea…
updated yesterday
10 replies
1 Medal
Mathematics
eliassaab:
Group Title
Find the number of subsets of the set of n consecutive positive integers, {1,2,...,n} that do not contain two elements whose difference is k…
updated 2 days ago
10 replies
6 Medals
Mathematics
mpj4:
Group Title
how do you even solve this?
1) y = 2^x ; y = x + 1
and
…
updated 2 days ago
41 replies
6 Medals
Mathematics
ozhobbits:
Group Title
How do I differentiate this:
updated 3 days ago
4 replies
1 Medal
Mathematics
Jhannybean:
Group Title
Calculus 3: Simplifying \[\int_{0}^{\pi/4} \int_{0}^{\pi/2} \int_{0}^{\sqrt{2}} (\rho\sin\phi \cos\theta)(\rho \sin \phi \sin \theta)\rho^2\…
updated 3 days ago
57 replies
2 Medals
Mathematics
ikram002p:
Group Title
i have little question about how to convert ODE to a system of linear equations
updated 3 days ago
27 replies
2 Medals
Mathematics
jaketsnake:
Group Title
Can anyone help with this identity: (1+tanx)/(1+cotx) = (1-tanx)/(cotx-1). I have already proved this identity but I was only to achieve tha…
updated 3 days ago
3 replies
1 Medal
Mathematics
jamesloh:
Group Title
The sum of the first n terms of an AP, 2,6,10, is 882. Find the value of n
updated 4 days ago
4 replies
1 Medal
Mathematics
Mendicant_Bias:
Group Title
(Answer not yet found, work below) I'm finally getting to some convolution problems and am confused about how to approach them; first one po…
updated 2 days ago
38 replies
3 Medals
Mathematics
BackTo90sRegime:
Group Title
Find the Taylor Series centered at c=0 for f(x)=40x^(5)/(5+8x) and determine its interval of convergence
updated 4 days ago
3 replies
2 Medals
Mathematics
jihna:
Group Title
Can anyone explain me about this, Dot Product AdotB=|A||B|cos theta
AdotB=AxBx + AyBy +AzBz,
updated 4 days ago
5 replies
1 Medal
Mathematics
anarvizo:
Group Title
Express the area of the region under the curve
y = 6x^3 + 7x^2
and above the x-axis in the form
…
updated 4 days ago
11 replies
No Medals Yet
Mathematics
utkFRESH:
Group Title
limit of an = (2n^2)/(n^2+6) ?
updated 4 days ago
4 replies
1 Medal
Mathematics
jcates00:
Group Title
Use binomial expansion to tfind the Maclaurin series for f(x)=1/(1+x^9)^2 can somebody tel me if this solution is correct? Sum from 0 to …
updated 4 days ago
7 replies
No Medals Yet
Mathematics
adjsr:
Group Title
Find the inverse of: f(x)=lnx+4
updated 4 days ago
4 replies
2 Medals
Mathematics
ShadowKing:
Group Title
To which rational number subset(s) does the following number belong?
-1/17
…
updated 4 days ago
4 replies
No Medals Yet
Mathematics
savvvvannahh:
Group Title
You place $5,000 in a bank account that earns an annual rate of 4.25%. If the interest is compounded quarterly, how much money will you hav…
updated 4 days ago
14 replies
No Medals Yet
Mathematics
savvvvannahh:
Group Title
If cosθ = 0.3, sinθ is approximately:
Select one:
a. 0.98
…
updated 4 days ago
7 replies
1 Medal
Mathematics
SithsAndGiggles:
Group Title
Combinatorics problem, feel free to take a stab at it.
How many subsets of \(\{1,2,...,20\}\) DO NOT contain two elements whose differenc…
updated 4 days ago
57 replies
6 Medals
Mathematics
Jazzy1:
Group Title
Factor by grouping
wu-24w+3u-8w^2
…
updated 5 days ago
4 replies
2 Medals
Mathematics
Erny:
Group Title
The function f is defined by f(x) = 2x^2-12x+13 for x>k, where k is a constant. It is given that f is one-one function. State the smallest p…
updated 6 days ago
7 replies
No Medals Yet
Mathematics
hoho23:
Group Title
how to eliminate the arbitrary constant of this equation y= Ae^(2x) + Bcosx + Cxsinx to find the the d.e.
updated 5 days ago
45 replies
4 Medals
Mathematics
lawls:
Group Title
Simplify and write the trigonometric expression in terms of sine and cosine. [(2+tan^2x)/(sec2x)]−1=(f(x))^2
updated 6 days ago
5 replies
1 Medal
Mathematics
CadyP:
Group Title
Suppose F(xy)=x^2i+y^2j and C is the line segment segment from point P=(1,5) to Q=(−3,10).
I got the vector parametric equation as
r(t)=…
updated 6 days ago
3 replies
No Medals Yet
Mathematics
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