How many strings of length 12 of different uppercase letters contain exactly three vowels (in other words, repeated letters are not allowed)? Oas, 3) xa(21, 9) xP(12, 12) 121-(C3, 3) *C(21, 9)) 2612-219-53 OQ12, 3)x35 x 921 Oq12, 3)x5³x219

How many strings of length 12 of different uppercase letters contain exactly three vowels (in other words, repeated letters are not allowed)? Oas, 3) xa(21, 9) xP(12, 12) 121-(C3, 3) *C(21, 9)) 2612-219-53 OQ12, 3)x35 x 921 Oq12, 3)x5³x219

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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How many strings of length 12 of different uppercase letters contain exactly three
vowels (in other words, repeated letters are not allowed)?
Oas, 3) xa(21, 9) xP(12, 12)
121-(3, 3) *C(21, 9))
2612-219-5³
0912, 3) x 3³ x 921
Oq12, 3)x5³ x219

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