2.8.42 Power Series

Condition: to determine the radius and interval of disintections, to investigate the behavior at the boundary points of the interval of the stepped row: \ [\ sum_ {n = 1}^{\ infty} \ frac {(-1)^{n} (x+2)^{n} {n} n!} \] \] \] \] \] \] \] \] \] \] \] \] \] \] \] \] \] \] \] \] \] \] \] \] \]