calculus please help
 👍 0
 👎 0
 👁 93
Respond to this Question
Similar Questions

Calculus Damon, Steve, Reiny
I forgot to mention that I am trying to find sigma squared.. given that the mean is r and p(x)= (1/r)(e^(x/r)) on the interval [0,infinity), where r>0.. note: sigma squared= integral sign (inf, inf) (xM)^2 p(x) dx i got (r^2 
asked by Christina on November 28, 2015 
Calculus
I'm doing statistics homework and am stuck on a problem using integration. The problem gives a distribution where for x>1, f(x) = k x^6. I am then asked to "Determine the value of k for which f(x) is a legitimate pdf. " To be a
asked by Paul on September 27, 2007 
calculus
how do you determine the convergence of : definite integral from 1> infinity of lnx/(x^3)? i set the problem as lim (R>infinity) of the integral of lnx/(x^3) from 1>R, but i can't compute the integral.
asked by mika on March 16, 2008 
Calculus
I tried to integrate this: intergral sign with an interval from inifinity to + infinity function: (xr)^2 (1/r) (e^(x/r)) with respect to dx..... I know that Steve set up the usubstitution but I seem to never arrive at an
asked by Christina on November 28, 2015 
MATH
I have been trying to do this problem for a couple of days but i cant seem to get the answer. Any help would be greatly appreciated. For each of the following forms determine whether the following limit type is indeterminate,
asked by bobby on April 16, 2012 
calculus
what is the answer for the integral of (1/(xln(x)) from 1 to infinity? I first found the integral using u substitution so u=ln(x) and du=1/x*dx this gave my du/u,leading to the ln(u) =ln(ln(x)) from 1 to infinity then I did the
asked by sarah on February 6, 2008 
Stats: Joint Density Function
Let the joint density function of X and Ybe given by: f(x)={kxy^2 for 0
asked by Stephanie on October 18, 2006 
physics electricity & magnetism
Charge Q=4 microcoulombs is distributed uniformly over the volume of an insulating sphere of radius R=.05 meters. What is the potential difference between the center of the sphere and the surface of the sphere? How do I approach
asked by cooper on December 3, 2011 
Calculus
For what values of p>0 does the series Riemann Sum [n=1 to infinity] 1/ [n(ln n) (ln(ln n))^p] converge and for what values does it diverge? You need to let the summation start at n = 3 to avoid the singularity at n = 1 (although
asked by Janice on November 13, 2006 
calculus
Assuming that: Definite Integral of e^(x^2) dx over [0,infinity] = sqrt(pi)/2 Solve for Definite Integral of e^(ax^2) dx over [infinity,infinity] I don't know how to approach the new "a" term. I can't use usubstitution,
asked by mathstudent on January 14, 2008