manus schreef:1 + 1 + 1......= -1/2
1 + 2 + 3......=-1/12
1 + 2 + 4......= -1
1 - 2 + 3 - 4......= 1/4
10 + 100 +1000.......=-1/9
1 - 1 + 2 - 6 + 24 - 120.... =
oneindige rijen
oneindige rijen
Re: oneindige rijen
a^0 + a^1 + a^2.......= -1/(a-1)
manus schreef:1 + 1 + 1......= -1/2
1 + 2 + 3......=-1/12
1 + 2 + 4......= -1
1 - 2 + 3 - 4......= 1/4
10 + 100 +1000.......=-1/9
1 - 1 + 2 - 6 + 24 - 120.... =