Consider strings of length 12 using symbols from ta b c da, Ask an Expert

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Consider strings of length 12 using symbols from ta, b, c, d

(a) How many such strings have exactly five a's?

(b) How many such strings have three of each letter?

(d) ow many such strings have exactly five a's or exactly four b's (remember that the word "or" is used in the inclusive sense)?

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M93086359

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