Question

og t par Set up, but do not evaluate, the integral required to compute the arc length of the curve cotr. y= 217from 0<x< /2. mense metied to compute Set up, but do not evaluate, the integral required to compute the surface area of the solid obtained by rotating the curve y=sin(x2 3x + 1), 0<x< 1 about the z-axis.

for b.

y= sin(x^2-3x+1)

Answer 1

Seventee - ela com ) = (0%) **) ex'+1)% cot7 = -loseća).(2+1) – 2x.com) i Nole -duxe arx ve 62241)? Drosec )+ axcota da Itxt) cosecatorcon (x²+1 12

V It is asked to setup an integral comput the surfall area of the soled obtained by rotating the corne G = sin (x²-3x+1), o cx ct about x -оил · y = sin (se?-32 +) - dy = d f = el ( sin (x²-3x+1)) by chain da . rale = cos (x²-3x+1)=d (x²-3x+1) sau = 603 (?-92+1)x Cax-3) = (2x-3). Cos (782-92+1) - de - amy ) afgesloten of de 1