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Browse College Calculus
Stars indicate particularly interesting answers or
good places to begin browsing.
 Finding the Critical Point [05/09/2000]

How can I find the critical point of f(x,y,z,t) = (x^2)*(y^2)*(z^2) +
(t^2)*(x^2) + 3x?
 Finding the Shape of a Funnel Curve [04/08/2001]

Find the equation of the curve of revolution of a coin leaving a chute.
 Finding the Sum of ArithmeticoGeometric Series [09/13/2004]

Find the sum of the infinite series 1/7 + 4/(7^2) + 9/(7^3) + 16/(7^4)
+ ... I would also like to know if there is a general rule to find the sum
of (n^2/p^n) for n = 1 to infinity.
 FixedPoint Theorem [05/02/2002]

An intuitive reason why the theorem is true, and a proof.
 Formula for the Curvative of a Curve [10/10/2002]

Is there a formula or theorem I can use to convince someone who
believes a wall has only side that there is another side to it?
 Frobenius Series Solutions [05/01/2008]

Determine if the differential equation (x^2)y'' + xy' + (x^28)y = 0
has two linearly independent Frobenius series solutions.
 Frustum of a Pyramid with a Rectangular Base [02/20/2002]

I am an engineer with a water treatment agency and need to figure the
amount of water per foot of elevation in our reservoirs...
 Fuel Left in an Ellipsoidal Tank [10/19/2002]

How much fuel is left in a tank at any depth, given that the tank is
ellipsoidal?
 Function problem [12/7/1994]

Find the slope of the tangent line for the function y2 = x2  x4 at (0,
0), also explain what is going on at the origin.
 Functions of a Complex Variable [10/05/2002]

Show that w=f(z*), where z*=xiy and f is a differentiable function,
is not an analytic function of z.
 Gamma Function Division [12/20/2005]

Is there a formula for Gamma(n)/Gamma(m) for n and m having integer
values >= 1 and m < n?
 Generalized Cubic Equation [05/22/2000]

How do we find a generalized cubic rule for a family of cubics that cut
through the point (1,1), have a gradient of 2 when x = 1, and have 1
stationary point?
 General Solution of dy/dt + y = t [10/25/1999]

How can I find the general solution to the equation dy/dt + y = t?
 General Solution to Differential Equation [07/13/2004]

How do I find the general solution of d^3x/dy^3 = 0?
 Generating the Volume of an nSphere [02/07/2002]

Could you help me find an equation for the integration of a unitball in
ndimensions?
 Gradient and Maximum Increase of a Function [07/19/2005]

Why does the gradient point in the direction of the maximum increase
of a function? Several resources make the statement, but no one
explains it. Can the dot product be used to justify it?
 Gradients of Perpendicular Lines [01/16/2003]

Why is the product of the two gradients of perpendicular lines equal
to 1?
 Great Circle Parametric Equation [05/25/1998]

How can you calculate specific points of a great circle on a sphere? Can
you help me find the parametric equation?
 Green's Theorem with Parameterized Curves [10/18/2003]

I understand what Green's theorem states and how to use it, but I
don't understand how to use it with parameterized curves.
 Helix Lying on a Cylinder [11/26/1997]

I am trying to find a parametric equation for a helix (in 3 space) lying
on the cylinder...
 Homogeneous Linear Differential Equations [05/06/2001]

How would one solve y''2y'+5y = 0 ? Are there general rules for solving
such differential equations involving y'''', y''', y'', y', and y? How
would you solve (y''')^2+(y'')^3y = 0?
 Hyperbola and Cone [03/04/1999]

Two questions on threedimensional figures.
 Ice Cream Cone Problem [02/27/2000]

What radius of a sphere of ice cream placed in a cone of height h and
base angle of 30 degrees will give the most volume of ice cream inside
the cone, as opposed to above the cone?
 Implicit Functions [11/26/1997]

Please give me a definition and several examples of an implicit function.
 The Impossibility of Integrating x^x [08/07/1998]

How would you test to see if the integral of x^x can be expressed in a
finite number of elementary functions?
 Impossible Integral [11/12/2001]

As our homework we were assigned an integral that no one has been able to
answer: (sin y)/y dy (there are no limits).
 Indefinite Integrals [07/04/2002]

Solve: Integral dx/(sin x)^5 + (cos x)^5; Integral dx/(sin x)^3 + (cos
x)^5.
 Infinite Series Involving Arithmetic and Geometric Means [11/27/2003]

Start with two numbers, find their arithmetic and geometric means,
then find the means of the two results and continue this process
indefinitely. Does the series converge?
 Integral Calculus [08/18/1999]

Find the integrals of sin^10x and (1/x)*(1+x^4)^3/4.
 Integral Notation  Missing Integrands [07/17/2003]

I have seen some integral notation used that I am not familiar with...
 Integral of dx/(1+(tanx)^sqrt2) [06/28/2003]

Find the value of the integral that ranges from 0 to pi/2 of dx/(1+
(tanx)^S), where S is the square root of 2.
 Integral of e^(e^x) [5/12/1995]

What is the integral of e to e to the x power?
 Integral of Exponents, Natural Logs... [8/27/1996]

How do I integrate x^(ln x).e^(x.lnx + x).dx ?
 Integral of sin(x)/x [8/29/1996]

Is there a symbolic (not a numerical method) solution to the definite
integral of sin(x)/x from 0 to some value?
 Integral of Trig Function, Exponent [8/6/1996]

What is the integral of f(x)=(tanx)^1/2?
 Integrals in Polar Coordinates [04/15/2003]

How can I evaluate an expression like (sin(theta)*(constant)) for
theta = 0...2*Pi?
 Integrating exp(x^2) [11/09/2005]

It seems like all the ways of finding integral exp(x^2) involve
making it a double integral and using polar coordinates. I was
wondering if there is any way to do it without making it a double
integral?
 Integrating sin(x)/x [02/16/2005]

I'm trying to find the integral from 1 to t of sin(x)/x so that I can
calculate the limit as t goes to infinity.
 Integrating the Standard Distribution Curve [06/25/1999]

I need to find the integral from infinity to negative infinity of (e^ ((
x^2)/2))/((2pi)^(1/2)).
 Integrating with Modified Euler's Method [08/13/2007]

Using the modified Euler’s method, find the value of y at x = 0.2 with
h = 0.1 where dy/dx = 1  y with y(0) = 0.
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