Program integral2(input,output); Uses crt; var a,b,h,s,J:real; i,n,k:integer; function f(x:real):real; begin f:=ln(x*x+3*x+1); end; begin clrscr; write(‘quyi chegara a=’); readln(a); write(‘yuqori chegara b=’); readln(b); write(‘bo’laqlar soni n=’); readln(n); h:=(b-a)/n; s:=f(a)+f(b); k:=1; for i:=2 to n do begin s:=s+(3+k)*f(a+(i-1)*h); k=-k end; J:=s*h/3; textcolor(2); writeln(‘integral qiymati J=’,J:3:4); end.
Ushbu dasturlarni zamonaviy IBM va Pentiem kompyuterlarining Turbo Pascal tizimiga kiritib natijalarni olish va taxlil qilish mumkin.
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