RolyPoly
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Questions Answered

RolyPoly:
Group Title
Solve the IVP x"  2tx' + 4x = 0, x(0) = 1, x'(0) = 0.
How to start?
 updated 13 days ago
 49 replies
 3 Medals
Mathematics

kidrah69:
Group Title
So i was searching for something on google and found this :
https://prezi.com/fs3hqdpcopic/anunofficialguidetoopenstudy/
…
 updated 11 days ago
 33 replies
 6 Medals
Mathematics

Zarkon:
Group Title
Any suggestions for a text in statistics for nonmathematicians/statisticians. graduate course
 updated 2 months ago
 11 replies
 3 Medals
Mathematics

ParthKohli:
Group Title
About great answers...
 updated 5 months ago
 12 replies
 6 Medals
Mathematics

AaronAndyson:
Group Title
hello
I have seen people with Ambassodor and Moderator written in brackets what are these peoples?
 updated 5 months ago
 7 replies
 9 Medals
Mathematics

RolyPoly:
Group Title
Find the inverse of \(f(x) = x^\frac{1}{n}\)
 updated 5 months ago
 9 replies
 No Medals Yet
Mathematics

UnkleRhaukus:
Group Title
Express as a percentage
\[1°\textrm C / 100°\textrm C\]
 updated 5 months ago
 22 replies
 3 Medals
Mathematics

RolyPoly:
Group Title
How to find the close form of
\(a_n =\frac{1}{8}a_{n2} \frac{1}{4}a_{n−1}\) given that \(a_1 = 0, a_2 = 1\)?
 updated 5 months ago
 41 replies
 3 Medals
Mathematics

Jhannybean:
Group Title
Is there a way to add more LaTeX symbols to OS? For example the "arc" symbol, and others?
 updated 4 months ago
 14 replies
 1 Medal
Mathematics

kingwolf:
Group Title
sin^2(x)cos^2(x)=1/8(1cos(4x)) can someone plz explain how the trig identies are equal?
 updated 6 months ago
 8 replies
 2 Medals
Mathematics

RolyPoly:
Group Title
Prove that the sequence \((a_n)_{n\in \mathbb{n}}\) is bounded iff the sequence \((a_n)_{n\in \mathbb{n}}\) is bounded from above.
 updated 6 months ago
 6 replies
 3 Medals
Mathematics

RolyPoly:
Group Title
Suppose \(\lim_{x\rightarrow a}f(x) = c\). How can I show that \(\lim_{x\rightarrow a} \sqrt[n]{f(x)} \) exists for all n in \(\mathbb{N}\)?
 updated 6 months ago
 29 replies
 No Medals Yet
Mathematics

bcollins1447:
Group Title
Evaluate ln e^6 without a calculator
 updated 6 months ago
 7 replies
 4 Medals
Mathematics

RolyPoly:
Group Title
<Problem with notation>
Does \(\sqrt[n]{f(x)^m}\) mean \([f(x)]^\frac{m}{n}\)?
 updated 6 months ago
 3 replies
 1 Medal
Mathematics

makalarayy:
Group Title
The equation of a line is x + 5y = 12. What is the yintercept of the line
 updated 6 months ago
 2 replies
 No Medals Yet
Mathematics

HugoHuynh:
Group Title
If h(x)=(fog) (x) and h(x)= 4(x+1)^2, find f(x) and g(x)?
A)f(x)=(x+1)^2
g(x)=4x^2…
 updated 6 months ago
 1 reply
 No Medals Yet
Mathematics

RolyPoly:
Group Title
Given \(a_1 = 1\), \(b_1=\frac{1}{2}\), and
\(a_n = \frac{a_{n1}}{b_{n1}}\) and \(b_n = a_{n1}*b_{n1}\) for all n>1.
Show that \((a_n)…
 updated 6 months ago
 12 replies
 1 Medal
Mathematics

RolyPoly:
Group Title
Prove that \(\lim_{N\rightarrow \infty}N\sum_{n=N}^{\infty}\frac{1}{n^2}\) exists.
 updated 6 months ago
 33 replies
 3 Medals
Mathematics

RolyPoly:
Group Title
How to prove that a series is convergent by using Cauchy Convergence Criterion for Series?
 updated 7 months ago
 100 replies
 5 Medals
Mathematics

RolyPoly:
Group Title
Why is masking off an interrupt a privileged instruction?
 updated 2 months ago
 25 replies
 1 Medal
Mathematics

RolyPoly:
Group Title
Given \(\mathbb{F}\) is an ordered field, prove 1>0.
 updated 8 months ago
 15 replies
 No Medals Yet
Mathematics

katcon:
Group Title
how do i use the distributive law to factor 28x + 4
 updated 9 months ago
 4 replies
 1 Medal
Mathematics

prassana:
Group Title
integral of cos5x cos3x dx
 updated 9 months ago
 2 replies
 3 Medals
Mathematics

Hahuja:
Group Title
Explain why 1 raised to any power is equal to 1 ?
 updated 9 months ago
 59 replies
 1 Medal
Mathematics

sdvaishnav21:
Group Title
one number is8 more than a second number. The sum of the two number is 18.Find the number..
 updated 9 months ago
 8 replies
 No Medals Yet
Mathematics

Xtziee:
Group Title
lim cos2x  cos 3x/cos4x  1 x> 0
 updated 9 months ago
 9 replies
 3 Medals
Mathematics

prowrestler:
Group Title
The difference between long division and synthetic division is:
…
 updated 9 months ago
 9 replies
 No Medals Yet
Mathematics

stephonjones:
Group Title
y=x^27x8
 updated 9 months ago
 4 replies
 No Medals Yet
Mathematics

Quante:
Group Title
Which figurative line is the most appropriate to complete this poem?
Willows bent to greet each other,
…
 updated 9 months ago
 1 reply
 No Medals Yet
Mathematics

prowrestler:
Group Title
If f(x) = 3x – 5 and g(x) = x2, find (f º g)(3)
…
 updated 9 months ago
 14 replies
 1 Medal
Mathematics

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