How many strings of 11 english letters are there (a) If letters can be repeated If no
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Question:
How many strings of 11 english letters are there
(a) If letters can be repeated
If no letters can be repeated
(b)Those start and end with the letter A, if letters can be repeated.
(c)Those start and end with the letters ST ( this order)if letters cannot be repeated.
(d)Those start and end with the letters ST Cin this orderifletters can be repeated.
(2) Discuss any two graphical representations of relations, Also prove that complex number
satisfies the equivalence Relation
Related Book For
Discrete Mathematics and Its Applications
ISBN: 978-0073383095
7th edition
Authors: Kenneth H. Rosen
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