Physics, Chemistry, Maths Forum

Welcome

Welcome

by Manish Verma -
Number of replies: 2

Welcome to this new advanced forum.  This forum also allows you to post mathematical symbols besides many other features.  You will learn more and more by experimentation.  Don't worry to make mistakes when you post a message as you can change it within next 30 minutes.

Here is an example:

\int\left(x\right)^{3} dx

In reply to Manish Verma

Re: Welcome

by vipul jain -

I = integal(x)3dx

since x = [x] + (x)     =>dx=d[x]+d(x)

=>I = integral(x)3d[x]   +   integral(x)3d(x)

for all intervals from (n) to (n+1) ,d[x]=0   where n<x<(n+1)    n=integer

=>I = integral(x)3d[x]=0

=> I=0+ (x)4/4 + c

I=(x)4/4 + c