In: Math
Set up an integral for the following scenarios:
Set up the integral in simplified form, do not integrate
a) Arc length of y = ln x , 2 ≤ x ≤ 4 .
b) The surface area generated by rotating y = sin x with respect to the x-axis, 0 ≤ x ≤ π .
c) The arc length of y = x 2 + 4 , 1≤ x ≤ 3 .
d) The surface area generated by revolving y = ln(cos x) about the xaxis, € 1≤ x ≤ π 4 .