I need solve this question

Work Problem I20+20+20 points]: Show all your work. a) (20 points) i) Find the exact length of the curve x5 1 =+,15x$2, y 15 4x3 ii) Find the exact area of the surface obtained by rotating the curve x5 1 =+315x$21 y 15 4x3 about the x axis. 1)) [20 points] : Find the volume of the solid obtained by rotating the region bounded by the curve y=-x2+9andy=x2+1 about the x axis. c) [20 points]: i) Find the general term (51,.) of the sequence 332,4e_4,59_6,6e_8,7310,83'12,~- ii) Calculate lirn (an) nrcc iii) Write an term of the sequence