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How many 5 symbol codes can be formed if first 2 are letters and next 3 are digits?
Topic: - Discrete Mathematics
How many 5-symbol codes can be formed if the first 2 symbols are letters and next 3 are digits but no symbol is repeated?
If possible Please write in the Entire Step by Step answer.
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If possible Please write in the Entire Step by Step answer.
This sounds as if you want us to do your homework for you. Sorry, that wouldnt be fair. However, I can give you the answers (but leave you to do the working yourself): (1) 26[sup]2[/sup]×10[sup]3[/sup] (2) 26·25×10·9·8.
If theres anything you dont understand, you may ask. Asking questions on what you dont understand is fine. Asking others to do your homework for you is not.
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I was doing 10 different things at a time due to which I was not able to give proper attention to two of the problem. I did not had time to solve it. I wanted it for one day. Now, there is no need for the solution of this one. Now I have ample of time to understand the concept behind. The book that I was refering to was itself in shortcut and with some typos due to which it was becoming tedious to analyze and dissect that rubbish book.
If incase I stuck up in that I will let you know.
Thanks a lot.
Last edited by rockysheedy (2007-06-28 03:13:45)
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