Which of these refers to tempo?
a.
pace of music or speed of beats per minute
b.
a consistent, periodic pulse that is separated into equivalent intervals of time
c.
placement of sounds at definite regular time intervals
d.
fundamental chord consisting of three tones or pitches

Consider the series where in this problem you must attempt to use the ratio test to decide whether the series converges. compute enter the numerical value of the limit l if it converges, inf if it diverges to infinity, minf if it diverges to negative infinity, or div if it diverges but not to infinity or negative infinity.