Nine people (Ann, Ben, Cal, Dot, Ed, Fran, Gail, Hal, and Ida) are in a room. Five of them stand in a row for a picture. In how many ways can this be done if Ben is to be in the picture? In how many ways can this be done if both Ed and Gail are in the picture? In how many ways can this be done if Dot is on the left end and Ed is on the right end

Nine people (Ann, Ben, Cal, Dot, Ed, Fran, Gail, Hal, and Ida) are in a room. Five of them stand in a row for a picture. In how many ways can this be done if Ben is to be in the picture? In how many ways can this be done if both Ed and Gail are in the picture? In how many ways can this be done if Dot is on the left end and Ed is on the right end

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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