7. Prove that for every x E (-1,1) 1 1– 2x + 3x2 – 4x³ E(-1)" (n + 1)x" : - (1+x)² ` n=0 Make sure you justify the uniform convergences if you use limit theorems. Hint: Use the differentiation of the uniform limit theorem.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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7. Prove that for every x E (-1,1)
1
1– 2x + 3x² – 4x° + ... =
E(-1)" (n + 1)x"
-
-
(1+x)²°
n=0
Make sure you justify the uniform convergences if you use limit theorems.
Hint: Use the differentiation of the uniform limit theorem.
Transcribed Image Text:7. Prove that for every x E (-1,1) 1 1– 2x + 3x² – 4x° + ... = E(-1)" (n + 1)x" - - (1+x)²° n=0 Make sure you justify the uniform convergences if you use limit theorems. Hint: Use the differentiation of the uniform limit theorem.
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