C-07-Q018mediumsingle_mcqThe series 12+14+18+116+…\dfrac{1}{2} + \dfrac{1}{4} + \dfrac{1}{8} + \dfrac{1}{16} + \ldots21+41+81+161+… is an example of a —aarithmetic seriesbgeometric seriescharmonic seriesdconstant series