1.. Find the area between the curve y= In x, the y-axis and the lines y = 2 and y = 4
1st u gotta make x the subject
x = e to power of y
A = integral b/w 4 and 2 of ey
= [ln y ] with 4 at the top and 2 at the bottom
= ln 4 - ln 2 units sq
2.. Find the exact volume of the solid...