2014 = 1 +1+ 1 + ` + ...... + 1
de 2014 ori
2014 -1 /2 - 2 /3 -3 /4 - ...... - 2013 /2014 =
1 + 1 + 1 +.... + 1 - 1 /2 -2 /3 - ..... - 2013 / 2014 =
=1 + (1 - 1 /2) + ( 1 - 2 /3) + ( 1 - 3 /4) + ..... + ( 1 - 2013 /2014)
x ( 1 + 1 /2 + 1 /3 + .... +1 /2014) = ( 1 + 1 /2 + 1 /3 + .... + 1 /2014)
⇒ x =1