HaỮTH HHTerpaJI int _(1)^2dx Bbl6epuTe OAMH OTBeT: a. x/2 b. x C. 1 d. 2

To solve the integral , we need to understand that this is a definite integral over the interval from 1 to 2 with respect to the variable . The integral of 1 with respect to is simply . Therefore, the integral evaluates to evaluated from 1 to 2.So, the correct answer is:b.