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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75% of questions are answered within 5 minutes.
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Questions Answered
Kshitizbhatta:
\[If Sn = 1/\left( 1+\sqrt{n} \right) +1/\left( 2+\sqrt{2n} \right) +1/\left( 3+\sqrt{3n} \right)+.......1+\left( n+\sqrt{n ^{2}} \right)\]…
updated 15 minutes ago
4 replies
No Medals Yet
Mathematics
zzr0ck3r:
Let \(S\) be a subset of an inner product space \(X\). Show that \(S^{\perp}\) is a closed linear subspace of \(X\).
updated 26 minutes ago
2 replies
No Medals Yet
Mathematics
DeeBush96:
Help Please
updated an hour ago
7 replies
No Medals Yet
Mathematics
rtk37:
sin(1/n)/(1/n)
updated an hour ago
2 replies
No Medals Yet
Mathematics
UmarsBack:
hellllpp trigonometry
updated an hour ago
2 replies
1 Medal
Mathematics
DeeBush96:
Help please
updated 2 hours ago
4 replies
4 Medals
Mathematics
willet:
Definite Integrals
updated 2 hours ago
17 replies
3 Medals
Mathematics
sammy34daisy:
I will fan and give medals!!! Please help!!!!
…
updated 13 hours ago
2 replies
1 Medal
Mathematics
chris00:
calculus question attached. im stumped.
updated 17 hours ago
33 replies
1 Medal
Mathematics
ChrisNeedsHelp:
Which of the following equations is of a parabola with a vertex at (0, 6)?
…
updated 20 hours ago
5 replies
4 Medals
Mathematics
Dmark12:
A bag contains 3 red marbles, 7 blue marbles, 3 yellow marbles, and 2 lavender marbles. How many sets of 4 marbles include one of each color…
updated 22 hours ago
15 replies
1 Medal
Mathematics
Jack1:
What is natural frequency, and damping ratio, ? of the below equation
updated 23 hours ago
8 replies
1 Medal
Mathematics
cristinayoung:
The series 1 k(k+1) k = 1 can be rewritten in the form 1 k − 1 k+1 k = 1 using partial fraction decomposition. a) Find the f…
updated yesterday
3 replies
No Medals Yet
Mathematics
zzr0ck3r:
let \(C\) be a closed convex subset of a Hilbert space \(\mathscr{H}\). Show that for each \(x\in\mathscr{H}\) there is a unique point \(y_0…
updated an hour ago
13 replies
1 Medal
Mathematics
Summersnow8:
Sampling without replacement: An urn contains 2 black and 3 white balls. 2 balls are drawn at random without replacement. The probability th…
updated yesterday
4 replies
2 Medals
Mathematics
SagnikKar:
If a, b are natural numbers such that 2013 + a^2 = b^2, then the minimum possible value of ab is
(A) 671 (B) 668 (C) 658 (D) 645
updated yesterday
36 replies
4 Medals
Mathematics
iheartfood:
For y = f(x) = x^12 - 12x, and 0≤x≤2, find the value(s) of x for which....
1. f(x) has a local maximum... (write in ascending order!)
…
updated 2 days ago
45 replies
3 Medals
Mathematics
jc123:
FIND THE PROBABILITY
bob is planning to pack 6 shirts and 4 pairs of pants for a trip. if he has 14 shirts and 9 pairs of pants to choose f…
updated 2 days ago
6 replies
2 Medals
Mathematics
sfregozo:
Which equation represents the line that contains the point (-2, 9) and is perpendicular to the line y = 2x + 6?
updated 2 days ago
3 replies
1 Medal
Mathematics
Darcey:
I do not even know where to begin with this one...
Express the following complex number in trigonometric form. Round each modulus to the ne…
updated 23 minutes ago
8 replies
No Medals Yet
Mathematics
Nylyak:
Check my answer:Without drawing the graph of the equation, determine how many points the parabola has in common with the x-axis and whether …
updated 2 days ago
10 replies
1 Medal
Mathematics
cassdelisle:
Find a polynomial function f(x) with real coefficients that has the given zeros.-1,-1, 2+3i
updated 2 days ago
5 replies
No Medals Yet
Mathematics
twarren7:
sall possible rational zeros for polynomial, f(x) = 2x3 -2x2 -11 x + 7
updated 2 days ago
5 replies
No Medals Yet
Mathematics
musa19965:
http://prntscr.com/3a3zsz
updated 2 days ago
1 reply
1 Medal
Mathematics
clover274:
i need help with PARAMETRIC EQUATIONS
…
updated 2 days ago
28 replies
1 Medal
Mathematics
KaarenMirza:
Solve the system of equations 2x+4y-z=-3, x+y+z=2, -5x-y+3z=-10
updated 2 days ago
19 replies
3 Medals
Mathematics
Emma100:
HELPPPPP
MEDAL AND FAN
(PIC ATTACHED )
updated 2 days ago
13 replies
No Medals Yet
Mathematics
sammy34daisy:
Find the roots of the polynomial equation.
x2 + 2x – 48 = 0
…
updated 2 days ago
6 replies
1 Medal
Mathematics
julia.julia6.aguirre:
what is the 10th term in the geometric sequence with the first term 5 and the common ration -2
updated 2 days ago
1 reply
No Medals Yet
Mathematics
Opulentgal:
I just need help on graphing this function:
f(x)=2x÷(x−1)(x+1)
…
updated 2 days ago
3 replies
1 Medal
Mathematics
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