In a message dated 4/4/2009 16:07:11 Eastern Daylight Time, ... swetha_ypsl, you gave the sum of n=100, but the question asked for the sum of n=1 to infinity...
In a message dated 4/5/2009 02:09:37 Eastern Daylight Time, ... This notation is a little new to me. What does the double slash mean (e.g., 1//3/2 - 1//5/2)? ...
... My BIG APOLOGIZE TO tetrakovsty and all other. The sum {from 1 to infinity}of series (1/(n^2-1/4)) IS 2 . I made mistake because by inegral criteria...
Can you show how you worked that out? ... From: Swetha Yagati <swetha_ypsl@...> Subject: Re: [MATH for FUN] Series To: mathforfun@yahoogroups.com Date:...
... 1/(n^2 - 1/4) = 1/(n-1/2)(n+1/2) = 1/(n-1/2) - 1/(n+1/2) using partial fractions. sum of first 3 terms of the series are simply [2/1 + 2/3 + 2/5] -...
... I think you're on the right track ... if you factor and 8 out of each of the terms, you're left with: 8* (1/3 - 1/5 + 1/7 - 1/9 +...) Since Pi/4 = 1 - 1/3...
I just did a search of the book on googlebooks and didn't see the reference you mentioned, but not all pages are viewable. I would be very surprised if there...
This is called CATALAN CONJECTUREOnly one solution Solution near 1997 by a "nonprofessionist" mathematician MIHAILESCUSearch in this direction ... From:...
Civil engineering horizon http://horizon.webinfolist.com is a continuously published journal in order to bring together the information in different areas of...
... it easy: 2dx/dt*d^2x/dt^2+2dy/dt*d^2y/dt^2= 2x*dx/dt*SQRT(x^2+y^2)+2y*dy/dt*SQRT(x^2+y^2) ==> d((dx/dt)^2+(dy/dt)^2) = some function of x^2+y^2 etc...
... These are the equations of a particle moving in a central (repulsive) r^2 force field. Maybe tetrakovsky means the quantity: E = (1/2)((dx/dt)^2 +...
hi thanx for help but I'm a physics student and lil slow in math, is there dt on the left side? and what kind of function will I be needing for the other...
hi thanx for help but I'm a physics student and lil slow in math, is there dt on the left side? and what kind of function will I be needing for the other...
Hi, From Geometry, congruence of two triangles is established by equality of corresponding parts of the triangles: Two sides and included angle SAS Two angles...
Cino is correct. Three pieces of information is a necessary, but not always sufficient, condition to completely determine a triangle. See Law of Sines...
Thank you for sending that link! I looked a ton of these sorts of things up on the net, but the one you sent was a lot better than the ones I found. I...
Hypotenuse Calculator - Can someone test my program? I just wrote a small VB app, its only 16 Kb, it lets you enter three known side lengths for a triangle...
Without seeing the program or your Excel worksheet, it sounds like you need to check your input before you apply the trig formulas. Specifically, you need to...
Hi, I took the liberty of changing the Subject line. The Romans said 2000 years ago, "Scientia potestas est." Lets see what we can do with a little knowledge. ...
If you only know two side lengths of a scalene triangle (but none of the angles) can you determine the third side length? I had been using this formula...
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