However, they are inadequate for calculating the areas
enclosed by curves For that we shall need some concepts
of Integral Calculus In the previous chapter, we have studied to find the
area bounded by the curve y = f (x), the ordinates x = a,
x = b and x-axis, while calculating definite integral as the
limit of a sum Here, in this chapter, we shall study a specific
application of integrals to find the area under simple curves,
area between lines and arcs of circles, parabolas and
ellipses (standard forms only)