Find the radius of convergence RRR of the power series: ∑n=1∞(1+1n)n2xn\sum_{n=1}^{\infty} \left(1 + \frac{1}{n}\right)^{n^2} x^n∑n=1∞(1+n1)n2xn
1e\frac{1}{e}e1
eee
111
∞\infty∞