ds 5

stmt 1: n+1 > 0

n > -1
says nothing bout P...

stmt2: np>0 both - or both +

together n can be 0,1....wait it can not be 0 as np>0

hence n > -1 and n>0
prove p>0

ans C

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vaivish: Master | Next Rank: 500 Posts; Posts: 371; Joined: Tue Apr 29, 2008 10:16 am; Thanked: 6 times; Followed by:1 members

by vaivish » Fri Aug 01, 2008 12:33 pm

thanks

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