Evaluate the following definite integrals, and simplify your…

Evаluаte the fоllоwing definite integrаls, and simplify yоur answers as much as possible.        (a) $$style{font-size:18pt}{int_{0}^{pi} 2sinleft( x right) , dx}$$        (b) $$style{font-size:18pt}{int_{2}^{3} dfrac{dx}{(2x+1)^2}}$$