Basic Analysis I — Real Analysis · Problem 2.2.6

Sequences and Series — Jiri Lebl

Mathematics — Real Analysis · continuity-of-algebraic-operations

Problem

Let xn:=1n2x_n := \dfrac{1}{n^2} and yn:=1ny_n := \dfrac{1}{n}. Define zn:=xnynz_n := \dfrac{x_n}{y_n} and wn:=ynxnw_n := \dfrac{y_n}{x_n}. Do {zn}n=1∞\{z_n\}_{n=1}^\infty and {wn}n=1∞\{w_n\}_{n=1}^\infty converge? What are the limits? Can you apply Proposition 2.2.5? Why or why not?

Related theory

Browse the problem library