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40 Life Contingencies
(2)
Also 2) = ax -I4 — 3 — 1
ax - - +ax ax
44)=1+4') — ax +1=a.-*
(m) 1 (m) m+ 1 m— 1
a -
- -1 +ax = ax + -- = ax —
m 2m 2m
ax = ax
a (n+) = 1 +a (m)
xnl— 1
M x:m
__ (m) n 1
+axn[ —v , P , . m m
+m +1(1—vnnpx)=ax~ 2m 1(1—vnnpx)i
(m) (m) (m)
axw —ax —v npx•ax+n
_( m—1 n m—1
— (ax 2m ) —v npx (ax+n — 2m
1
=ax1 — 2m (1—v),px)•
11. Consider the curve y=lx+t•
Yj
x
but and
or

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