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