ps9

This topic has expert replies
Senior | Next Rank: 100 Posts
Posts: 41
Joined: Sun Aug 31, 2008 10:12 am

ps9

by ket_gmat » Tue Sep 30, 2008 4:34 am
any 1 can help me....
Attachments
ps9.JPG

User avatar
Master | Next Rank: 500 Posts
Posts: 316
Joined: Mon Sep 22, 2008 12:04 am
Thanked: 36 times
Followed by:1 members

by Morgoth » Tue Sep 30, 2008 5:42 am
26 letters for each letter

4 letter = 26*26*26*26 = 26^4

5 letter = 26*26*26*26*26 = 26^5

26^4 + 26^5 = 26^4 ( 26+1) = 27*26^4

Hope this helps.