(a) In how many different ways can the letters of the word combine be arranged?(b) In how many different ways can the letters of the word combine be arranged ifthe letters co must remain together (in this order)?(c) How many different strings of 3 letters can be formed from the letters of theword combine, without repetition?(d) How many different 3-element subsets of the set {c, o, m, b, i, n, e} are there?

Answered: Image /qna-images/answer/6af30eaf-a881-4517-bbb8-65226e0c0a83.jpg

Answered: (a) In how many different ways can the…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Example 25. A shelf contains 7 Kannada books, 4 Hindi books and 5 English books. In how many ways can they be arranged so that (a) The Hindi books are together. (b) Kannada books are together and Hindi books are together, (c) No two English books are together. (d) Books of the same language are together. CS Scanned with CamScanner
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4. (a) How many ternary strings are there of length 10? (b) How many ternary strings of length 10 have three Os, four 1s, and three 2s? (c) How many ternary strings of length 10 have two Os, three 1s, and five 2s? (d) How many ternary strings of length 10 have no Os, four 1s, and six 2s? (e) How many ternary strings of length 10 have no Os? (f) How many ternary strings of length 10 have exactly three Os?
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