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Questions Asked

Idealist:
Group Title
Find the limit as t approaches infinity of y(t) for the initial value problem y'=sin(y(t)), y(0)=pi/2.
 updated yesterday
 2 replies
 No Medals Yet
Mathematics

Idealist:
Group Title
Anyone good with programming?
 updated one month ago
 1 reply
 No Medals Yet
Mathematics

Idealist:
Group Title
Write a program which will take the volume of the cube as its input. The program should calculate the area of a square whose side is half th…
 updated one month ago
 3 replies
 No Medals Yet
Mathematics

Idealist:
Group Title
Which of the following is an equation of the line tangent to the graph of f(x)=x^4/4x^3 at the point where f'(x)=1?
a) y=x+3.5954
…
 updated 2 months ago
 9 replies
 2 Medals
Mathematics

Idealist:
Group Title
If f(x)=2x+sinx and the function g is the inverse of f, then g'(2)=
 updated 2 months ago
 11 replies
 1 Medal
Mathematics

Idealist:
Group Title
The population P(t) of a species satisfies the logistic differential equation dP/dt=P(2P/5000), where the initial population P(0)=3000 and …
 updated 2 months ago
 7 replies
 1 Medal
Mathematics

Idealist:
Group Title
Find the value of the series (2^n+1)/3^n.
 updated 2 months ago
 9 replies
 2 Medals
Mathematics

Idealist:
Group Title
v^(0.84)=0.0718, solve for v.
 updated 3 months ago
 6 replies
 2 Medals
Mathematics

Idealist:
Group Title
v^0.84=0.0718325792, solve for v.
 updated 3 months ago
 1 reply
 No Medals Yet
Mathematics

Idealist:
Group Title
If dy/dx=1/x, then the average rate of change of y with respect to x on the closed interval [1, 4] is
a) 1/4
…
 updated 3 months ago
 8 replies
 4 Medals
Mathematics

Idealist:
Group Title
If f(x)=sigma (sin^2 (x))^k from k=1 to infinity, then f(1) is?
 updated 3 months ago
 15 replies
 1 Medal
Mathematics

Idealist:
Group Title
Let F(x)=integral of sin(t^2) dt from 0 to x for 0<=x<=3. On what interval or intervals is F increasing? Justify your answer.
 updated 3 months ago
 11 replies
 1 Medal
Mathematics

Idealist:
Group Title
Using 8 equal subdivisions of the interval [2, 12], the LRAM approximation of the integral of f(x) dx from 2 to 12 is 16.6 and the trapezoid…
 updated 3 months ago
 2 replies
 1 Medal
Mathematics

Idealist:
Group Title
Let F(x) be an antiderivative of sin^3 (x). If F(1)=0, find F(8).
 updated 3 months ago
 10 replies
 1 Medal
Mathematics

Idealist:
Group Title
Find the area enclosed by the curves y=x^38x^2+18x5 and y=x+5?
 updated 3 months ago
 4 replies
 1 Medal
Mathematics

Idealist:
Group Title
Find the sum of the series 1+ln(2)+(ln 2)^2/2!+...+(ln 2)^n/n!+...?
 updated 3 months ago
 6 replies
 2 Medals
Mathematics

Idealist:
Group Title
Find the integral of (1/x4x/(1+4x^2)) from 1 to infinity.
 updated 3 months ago
 9 replies
 3 Medals
Mathematics

Idealist:
Group Title
Find the integral of 4x/(1+4x^2) dx from 1 to infinity.
 updated 3 months ago
 4 replies
 2 Medals
Mathematics

Idealist:
Group Title
For what values of x does the series 1+2^x+3^x+4^x+...+n^x+...converge?
 updated 3 months ago
 No Medals Yet
Mathematics

Idealist:
Group Title
If y=tan u, u=v1/v, and v=ln x, find the value of dy/dx at x=e.
 updated 3 months ago
 6 replies
 1 Medal
Mathematics

Idealist:
Group Title
Find the integral of (1/2)(4/(1+sin(theta)))^2 d*theta from 0 to pi.
 updated 3 months ago
 19 replies
 1 Medal
Mathematics

Idealist:
Group Title
A particle moves along the graph of y=cos x so that its xcomponent of acceleration is always 2. At time t=0, the particle is at the point (…
 updated 3 months ago
 1 reply
 No Medals Yet
Mathematics

Idealist:
Group Title
Find the area bounded by the curve and the xaxis for r=theta+sin(2*theta) for 0<=theta<=pi.
 updated 3 months ago
 8 replies
 No Medals Yet
Mathematics

Idealist:
Group Title
The position of a particle at any time t>=0 is given by x(t)=t^22, y(t)=(2/5)t^3. Find the magnitude of the velocity vector at t=4.
 updated 3 months ago
 10 replies
 2 Medals
Mathematics

Idealist:
Group Title
For what values of t does the curve given by the parametric equations x=t^3t^21 and y=t^4+2t^28t have a vertical tangent?
 updated 3 months ago
 7 replies
 1 Medal
Mathematics

Idealist:
Group Title
How to simplify the (integral from 3cos^2 (theta) d*theta from 0 to pi) to (3*integral of cos^2 (theta) d*theta from 0 to pi/2)?
 updated 3 months ago
 2 replies
 2 Medals
Mathematics

Idealist:
Group Title
The path of a particle moving in the plane is defined parametrically as a function of time t by x=sin(2t) and y=cos(5t). Find the speed of t…
 updated 3 months ago
 5 replies
 1 Medal
Mathematics

Idealist:
Group Title
Use the first three terms of the series f(x)=((x^n)(n^n))/n! from n=1 to infinity to approximate f(1/3).
 updated 3 months ago
 4 replies
 1 Medal
Mathematics

Idealist:
Group Title
Please simplify this: (n+1)^n/(n^n)
 updated 3 months ago
 11 replies
 1 Medal
Mathematics

Idealist:
Group Title
Please simplify this: n!/(n+1)!
 updated 3 months ago
 19 replies
 4 Medals
Mathematics
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