present. (i) If it is found that the number doubles in 4 hours, how many may be expected at the end of 12 hours?
present. (i) If it is found that the number doubles in 4 hours, how many may be expected at the end of 12 hours?
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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Question
Part i)
![(a) In a certain culture of bacteria the rate of increase is proportional to the number
present.
(i) If it is found that the number doubles in 4 hours, how many may be expected
at the end of 12 hours?
(ii) If there are 104 at the end of 3 hours and 4 × 10ª at the end of 5 hours, how
many were there in the beginning?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6f235440-846f-481a-843d-256d72715aa1%2F2ad5a94e-12cd-4626-b8af-161adef246a0%2Fpyw8tvo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(a) In a certain culture of bacteria the rate of increase is proportional to the number
present.
(i) If it is found that the number doubles in 4 hours, how many may be expected
at the end of 12 hours?
(ii) If there are 104 at the end of 3 hours and 4 × 10ª at the end of 5 hours, how
many were there in the beginning?
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