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Get Full Access to Calculus Volume 3 - 1 Edition - Chapter 7.4 - Problem 115
Get Full Access to Calculus Volume 3 - 1 Edition - Chapter 7.4 - Problem 115

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ISBN: 9781938168079 2033

## Solution for problem 115 Chapter 7.4

Calculus Volume 3 | 1st Edition

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Problem 115

Find a power series solution for the following differential equations.

y′′ − 2xy = 0, y(0) = 1, y′(0) = −3

Step-by-Step Solution:
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Koshar Amy Brogan March 6 & 8, 2016 Week 13 Cryptography Part 2 Review  Shift Cipher o A code that replaces letters with other letters Code the message “Send Ammo” using the Vignere key “SHOE” (18-7-14-4) S E N D A M M O 18 4 13 3 0 12 12 14 S H O E S H O E 18 7 14 4 18 7 14 4 36 11 27 7 18 19 26 18 10 1 0 K L B H S T A S Now that we have the coded message, try to decode it like as if you received it and needed to read it without knowing what it said. K L B H S T A S 10 11 1 7 18 19 0 18 At this point to work backwards, we need to subtract the code word from what we have, but some of the numbers won’t be big enough sowe have to add 26. K L B H S T A S 10 11 1 7 18

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