Question

Let an=
2 power n;n is odd
2 power(n-1;)n is even.
Then lim sup
an+1/an = 4 and the limit of
an+1/an does not exist. But lim sup lanlpower 1/n = 1/2. So the radius of convergence of the series
sigma anx power n is 1/2.​

Answer 1

Answer:

Make sure that all words are spelled correctly.

Try different keywords.

Try more general keywords.

Try fewer keywords.