Plaza, Ángel2024-09-042024-09-042004-12-01Teaching Mathematics and Computer Science, Vol. 2 No. 2 (2004) , 4231589-7389https://hdl.handle.net/2437/379544Let r be a positive real number such that 0 < r < 1, then:…application/pdfproof without wordsfolyóiratcikkOpen AccessÁngel Plazahttps://doi.org/10.5485/TMCS.2004.0075Teaching Mathematics and Computer Science22Teach. Math. Comp. Sci.2676-8364