Changes

<math>f(x,r_1,r_2)=\frac{\Gamma[\frac{r_1+r_2}{2}](\frac{r_1}{r_2})^{\tfrac{r_1}{2}}}{ \Gamma(\frac{r_1}{2})\Gamma(\frac{r_2}{2})}*\frac{(x)^{\tfrac{r_1}{2}-1}}{(\frac{1+r_1x}{r_2})^{\tfrac{r_1+r_2}{2}}}</math>

<math>f(x,r_1,r_2)=\frac{\Gamma[\frac{r_1+r_2}{2}](\frac{r_1}{r_2})^{\tfrac{r_1}{2}}}{ \Gamma(\frac{r_1}{2})\Gamma(\frac{r_2}{2})}*\frac{(x)^{\tfrac{r_1}{2}-1}}{(\frac{1+r_1x}{r_2})^{\tfrac{r_1+r_2}{2}}}</math>

<math>0<x<\infty</math> where <math>\Gamma</math> is the Gamma Function.

<math>0<x<\infty</math> where <math>\Gamma</math> is the Gamma Function.

*The gamma function is defined by  <math>\Gamma(t) = \int\limits_{0}^{infty} x^{t-1} e^{-x} dx/math>.   

*The gamma function is defined by  <math>\Gamma(t) = \int\limits_{0}^{infty} x^{t-1} e^{-x} dx</math>.   

When the value of df1 and df2 are not integers ,then it is converted in to integers.

When the value of df1 and df2 are not integers ,then it is converted in to integers.

*This function will give the result as error when  

*This function will give the result as error when