a i
Integrate[Integrate[(x^2+y^2)^(3/2),{y,0,Sqrt[1-x^2]}],{x,-1,1}]
a ii
Integrate[Tan[theta],{theta,0,Pi/7}]
b....
g[x_]=cos[π*x]+x;
plot[g[x],{x,-4,4}];
s+i
2 য় অংশ
plot[g[x],{x,-4,4},ptotStyle->{RGBColor[1,0,0],AxesLabel->{"x-axis","y-axis"}]
s+i