Ind the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. (1) =], =0, =β1, =1, hβ. (2) =9D, =9, β₯0, hβ. (3) 2=M, =0, =4, hβ (4) 2=M, =2 hβ (5) =M, =M, hβ. (6) =M, =M, hβ. (7) =M, =M, =2. (8) =M, =M, =1. (9) =27F, =0, =1, =0, =2. (10) =], =0, =0, =ln2, =β1. (11) =M, =, hβ. (12) =M, =, hβ.