14. An architect designs a theater with 15 seats in the first row, 18 in the second, 21 in the third, and soon. If the theater is to have a seating capacity of 870, how many rows must the architect use in his design?

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Answered: 14. An architect designs a theater with…

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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14. An architect designs a theater with 15 seats in the first row, 18 in the second, 21 in the third, and so on. If the theater is to have a seating capacity of 870, how many rows must the architect use in his design?