### Home > CALC > Chapter 11 > Lesson 11.3.2 > Problem 11-111

11-111.

This is an alternating harmonic series.

Think of this as *n*!/*e ^{n}*. But

*n*! >

*e*.

^{n}This is the same as 3*n*(–1)* ^{n}*.

11-111.

This is an alternating harmonic series.

Think of this as *n*!/*e ^{n}*. But

This is the same as 3*n*(–1)* ^{n}*.