A. 1/2 square units

B. 1 square units

C. 3/2 square units

D. 5/2 square units

The area of the figure bounded by the curves y^{2}=2x+1 and x-y-1=0 is

If a is the area bounded by y=x^{2},x-axis,x=0,x=2; b is the area bounded by y=x^{2}+2,x-axis,x=1,x=2 and c is the area bounded by y=x^{3},x-axis,x=1,x=4 then the ascending order of a,b,c is