This question require to use one of the integration formula. Since 2 is a constant, u can factories the 2 out. Left with INT 1/2-x dx which will give u ln(2-x) over -1 because u have the limits of 0 to 1, u don’t need to include the c after integration. I give u another example INT 1/x+5= ln(x+5) hope this helps :)