19. In e-3 20. en(-1) 21. da(-3) 22. In e-!
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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Evaluate the logarithmic expression without using a calculator.
I need help with Question's 20 and 21. It stated that I should evaluate the logarithmic expression without using a calculator. Can you explain it to me step by step and what formal you use to solve this problem. I have attached the picture that contains the problems that I need help with.
Thank You

Transcribed Image Text:19. In e-3
20. eln(-1)
21. en(-3)
22. In e-!
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Step 1
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Solved in 2 steps with 2 images

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