1. 1.
    0
    x=1+2+4+8+16+...
    x-1=2+4+8+16+...
    x-1=2(1+2+4+8+16+... )
    x-1=2(x)
    x=-1

    denklem bu binler yardım
    ···
  2. 2.
    0
    up up up
    ···