EDB — 1NQ

Exercises

1. [1NQ] Let $I=(0,1)$, find an example of an analytic function $f:I\to ℝ$ not identically zero, but such that $A=\{x\in I:f(x)=0\}$ has an accumulation point in $ℝ$. Compare this example with Prop. 6.8.4 in the notes [ 3 ] ; and with the example [1DZ]↺↻.

   Solution 1

   [1NR]↺↻