f(x) tan(x + 1)dx = 2 | In2(u + 3) tan(u + 5)du %3D

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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See both pics. one is in swedish

other one is translated but maybe some words missing so please check both picture

9. Hur kan du välja f(x) så att ekvationen nedanför stämmer? Visa hur man kan hitta f(x) utan att
behöva explicit räkna integralen på den högra sidan av ekvationen. Notera att In? w =
använd en variabelsubstitution som passar problemet.
(In w)?. Tips:
|f(x) tan(x + 1)dx = 2 In?(u + 3) tan(u + 5)du
Transcribed Image Text:9. Hur kan du välja f(x) så att ekvationen nedanför stämmer? Visa hur man kan hitta f(x) utan att behöva explicit räkna integralen på den högra sidan av ekvationen. Notera att In? w = använd en variabelsubstitution som passar problemet. (In w)?. Tips: |f(x) tan(x + 1)dx = 2 In?(u + 3) tan(u + 5)du
9. How can yoU choose f (x) so that the equation below is correct? Shaw how to find f (x) withoutnatt
need to explicitly <Dunt the integral on the right side of the eqUation. Wote that Inw = (In w). Tip:s:
Use a variable substitution that fits the problems.
5 f (x) tan (x + |) dx = 2f in? (U t 3) tan<u + 5) du
Transcribed Image Text:9. How can yoU choose f (x) so that the equation below is correct? Shaw how to find f (x) withoutnatt need to explicitly <Dunt the integral on the right side of the eqUation. Wote that Inw = (In w). Tip:s: Use a variable substitution that fits the problems. 5 f (x) tan (x + |) dx = 2f in? (U t 3) tan<u + 5) du
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