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PS: MODUL+FACTORIAL-5

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SVP
Joined: 03 Feb 2003
Posts: 1609
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Kudos [?]: 75 [0], given: 0

PS: MODUL+FACTORIAL-5 [#permalink]  20 Jun 2003, 11:38
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For working on mistakes. This is a tough one. Post yous approach; I want to take a look.

|2Z+1|=|Z|!
SVP
Joined: 03 Feb 2003
Posts: 1609
Followers: 6

Kudos [?]: 75 [0], given: 0

[#permalink]  23 Jun 2003, 03:47
you are too weak to crash it
Manager
Joined: 18 Jun 2003
Posts: 141
Location: Hockeytown
Followers: 2

Kudos [?]: 16 [0], given: 0

[#permalink]  25 Jun 2003, 10:05
x = {0, -1}

No approach, really, just started with zero, looked at +/- integers until L and R sides of equation evidence divergence
Manager
Joined: 24 Jun 2003
Posts: 146
Location: India
Followers: 1

Kudos [?]: 1 [0], given: 0

PS: MODUL+FACTORIAL-5 [#permalink]  26 Jun 2003, 04:48
The LHS would always be an odd number and the RHS would always be an even number except when Z=0 or -1. Therefore these are the only two solution values for this equation
PS: MODUL+FACTORIAL-5   [#permalink] 26 Jun 2003, 04:48
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PS: MODUL+FACTORIAL-5

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