題組內容

7. (15%) Consider the region R enclosed by the x-axis, x = I and y = x3, as illustrated below
6308437f82bb1.jpg

(a) (3% + 2%) Find the flux of 630843a0cff2f.jpg = (1 + y2)j out of R through the two sides C1 (the horizontal segment) and C2 (the vertical segment).