2*3 + 4*5 + 6*7 + 8*9 + ............... upto 20 terms

.model small

 .data
result dw ?

 .code
main proc
    mov ax,@data
    mov ds,ax
    mov cx,20
    mov dx,0
    mov bx,3
    mov ax,2
    here:mul bx
    add result,ax
    div bx
    add ax,2
    add bx,2
    loop here
    mov ax,4c00h
    int 21h
    main endp
end

1 comment:

  1. Deep Raj BhujelOctober 28, 2015 at 4:04 PM

    In C, the code is

    /*add 2*3 + 4*5 + 6*7 + ...... upto 20 terms */
    #include
    #include
    void main()
    {
    int i,j,c,sum=0;
    for(i=2,j=3,c=1;c<=20;i=i+2,j=j+2,c++)
    {
    sum+=i*j;
    }
    printf("\nTotal sum is %d",sum);
    getch();
    }

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