Question 865866
{{{drawing(300,300,-2,5,-5,2,grid(1),line(2,-10,2,10),graph(300,300,-2,5,-5,2,1-x^2))}}}
I think the area you want is the integral from x=1 to x=2.
{{{int((1-x^2),dx,1,2)=x-x^3/3+C}}}
{{{int((1-x^2),dx,1,2)=2-2^3/3-(1-1^3/3)}}}
{{{int((1-x^2),dx,1,2)=2-1-8/3+1/3}}}
{{{int((1-x^2),dx,1,2)=1-7/3}}}
{{{int((1-x^2),dx,1,2)=-4/3}}}