SHOW LESS. Fundamentals of Differential Equations presents the basic theory of differential equations and offers a variety of modern applications in science and engineering.
1 Check oven has reached temperature, 2  Roast chicken for 80 minutes at 190 Â°C (375 Â°F-Gas 5). 3  Increase the oven heat to 220 Â°C (425 Â°F-Gas 7), for the final 15 minutes to turn the skin crisp and golden.4  Total cooking time 95 minutes. Let bird breath for 10 minutes. 2  Place into suitable roasting tin. 3  Check oven has reached temperature, 4  Roast bird for 25 minutes at 220 Â°C (425 Â°F-Gas 7). 5  Reduce the oven temperature to 180 Â°C (350 Â°F-Gas 4). 6  Roast bird for 20 minutes per 450g. 7  Remove the joint from the oven and check that juices run clear.
1 Set oven to 450 degrees F. 2  Roast the chicken at 450 degrees for 20 minutes, then reduce the heat to 400 degrees and continue roasting for about 40 minutes (or until the internal temperature reaches about 175 to 180 degrees F. about 1 hour or a little less).