(a) The supply function of a commodity is 100 p =( x +20)^2. Find the Producer’s Surplus (PS), when the market price is ₹ 25.

The supply function of a commodity is $\displaystyle 100 \mathrm{p}=(\mathrm{x}+20)^2$. Find the Producer’s Surplus (PS), when the market price is ₹ 25.

Find :

$$\int \frac{$\displaystyle 2$ \mathrm{x}^$\displaystyle 2$+$\displaystyle 1$}{\mathrm{x}^$\displaystyle 2$-$\displaystyle 3$ \mathrm{x}+$\displaystyle 2$} d \mathrm{x}