LE DERNIER TERME &TANT POSITIF

S = log i --log2+log3 — . . . +loga:

S — -loffx — -î^loff-4-^^^ .?[* — îlni. • * 4- î!jzi •* -L.

SI] liTT.ft /[,ft 17^1

2 ^ 2 ^ 2 àx 2àx aor iiaa?^

Ex. 29. Calculery= ^-f-^7-997-999

a;=999 logx= 2,99966 5488 (tab. II) iiogx=i, 4997827

-liog^ = -o,098o699{tab.VII)

logy= 1, 4oi83i5

Kx. 30. S=log i — log2+log3— . . . +log3ooi

jp=3ooi logx= 3, 47726.59g54.24852 .62460.2942 1 .60 ~logiP= 1,73863.29977. 12426.31