Give an example of a power series (Summation from n=0 to infinity of (C(n)*x^n))...

LeoL

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...centered at 0 with radius of? convergence 1 which converges at both x=1 and x= -1.

And another one which converges pointwise on (-1,1) but does not converge uniformly on (-1,1)

Thank you!!!!!!!
 
For the first, I believe
C(n) = cos(pi*n/2) / (n+1)
will work

For the second,
C(n) = 1
works.
 
For the first, I believe
C(n) = cos(pi*n/2) / (n+1)
will work

For the second,
C(n) = 1
works.
 
For the first, I believe
C(n) = cos(pi*n/2) / (n+1)
will work

For the second,
C(n) = 1
works.
 
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