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Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Solution
Let x be the sundom variable with
део ср)
then we have to show that for my, `n, m>, o in
P(x>n+m | X > m ) =P ( X = n)
oo X~ geo(P) the pmf of x-
-
If
f(x) = P(x=) = 2 2-1 p
р
we have
for any positive integer. K
∞
P(X>K) = = P(X=~) = { 2²-1 |
41=1+1
x=k+1
-
P(X>K) = b[qk+qkt |___ ] = b₂k
J
P(xxn+m/ x7m)
2 = 1-p, x = 1, 2, 3, ___
)
P ( x 7₂n+mn x>,m)
P(x>m)
mm
= 2n+m
qm
हात
In, and m are any two positive inters then, we have
1-2
6+2=1
in tegers-
=
a
2n = P(x7n) using eqla).
= P ( X = n)
Transcribed Image Text:Solution Let x be the sundom variable with део ср) then we have to show that for my, `n, m>, o in P(x>n+m | X > m ) =P ( X = n) oo X~ geo(P) the pmf of x- - If f(x) = P(x=) = 2 2-1 p р we have for any positive integer. K ∞ P(X>K) = = P(X=~) = { 2²-1 | 41=1+1 x=k+1 - P(X>K) = b[qk+qkt |___ ] = b₂k J P(xxn+m/ x7m) 2 = 1-p, x = 1, 2, 3, ___ ) P ( x 7₂n+mn x>,m) P(x>m) mm = 2n+m qm हात In, and m are any two positive inters then, we have 1-2 6+2=1 in tegers- = a 2n = P(x7n) using eqla). = P ( X = n)
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