Let A = {a, b, c, d}. Find the number of 3-combinations of A where repetitionof symbols is allowed.

We have to count the number of 3-combinations with repetition allowed, we can use the concept of…

Answered: Let A = {a, b, c, d}. Find the number…

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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Let A = {a, b, c, d}. Find the number of 3-combinations of A where repetition of symbols is allowed.