Show transcribed image text Challenge The sequence a,, a2, a, is both a geometri sequence and an arithmetic sequence oreover al = 10. Find an. (Hint: start with ai = 1 then a1-2 what is an for these two? You might find the GeoGebra file on Arithmetic and Geometric sequences helpful.)
Challenge The sequence a,, a2, a, is both a geometri sequence and an arithmetic sequence oreover al = 10. Find an. (Hint: start with ai = 1 then a1-2 what is an for these two? You might find the GeoGebra file on Arithmetic and Geometric sequences helpful.)





