Even Power Cosine and Double Factorial (Very useful result)

My Second Elementary Pre-print of Year:

Pre-print

Question 3 on Linear algebra ( Dip plus )

The summation of n terms equal to the sum of last two term because the cofactor matries of the n-2 terms are singular ( =0 ) .

Elementary Pchem (Derived on 17/1/11)

Simple relationship between Keqm and Temperature:

Cardioid Polar function....

With the use of mathematica:

The above theorem is known as nested interval theorem which is useful to prove Bolzano weierstrass theorem ...

Rather surprising...

A sweet looking identity derived on 6/1/2011 by me

Power Mean ( Generalized mean)

Requires minimal knowledge on various means.