※ 引述《kstmasa (雞排)》之銘言：
: 題目:
: Find the volume of the solid whose base is bounded by the graphs of
: y = x + 1 and y = x^2 - 1 with the square cross sections taken perpendicular to
: the x-axis.
: 海大102轉學考 微積分試題 第一題。
2
S [(x+1)-(x^2-1)]^2dx
-1
2
=S (-x^2+x+2)^2
-1
=8.1