Equation for work of a reversible isothermal compression

1. Sep 11, 2008

cheertcc101

I need to find the equation for the work of a reversible isothermal compression of 1 mol of a gas in a piston/cylinder assembly if the molar volume of the gas is given by

V= ((RT)/P) + b where b and R are positive constants.

THANKS

2. Sep 11, 2008

stewartcs

$$W_b = \int_1^2{PdV}$$