don't understand why d4=[|f^4=e=g^2 and fg=gf^-1] and gf^-2=gf^2. Please explain. Thank you
don't understand why d4=[|f^4=e=g^2 and fg=gf^-1] and gf^-2=gf^2. Please explain. Thank you
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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I don't understand why d4=[<f,g>|f^4=e=g^2 and fg=gf^-1] and gf^-2=gf^2. Please explain. Thank you
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In step 2, I don't understand why gf=f^-1g^-1.Please explain. Thank you
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I don't understand how f^-2=f^3. Please explain. Thank you
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