0,p9=1?

Guten Morgen !

Ist 0,p9=1?

\(x=0,99999...\)                 =>     \(10x=9,9999.....\)

                                                 -          \(x=0,9999....\)

                                                           \(9x=9\)           =>    \(x=1\)

Antwort:    \(0,\overline{9}=1\)

Gruß radix !