1- Find the volume of the solid with a circular base of radius 4 and the cross sections perpendicular to the y-axis are squares.

2- We will find the volume of the solid generated by revolving the regionRabouty=10, whereRis the region bounded byy=9xandy= 4. x

(i) Which of the following is the correct integral to find the volume by Cylindrical Shell method

(ii) Which of the followingis the correctintegral to find the volume bydisk/washermethod

3- Find the arclength of the curvey=x^8/16 + 1/12x^6 where4x6.