This question can be solved by simple inspection, because the numerator is constant at 3, and the denominator is a multiple of 2
So, 3/2 x 1/2, 3/4 x 1/2, 3/8 x 1/2, 3/16 x 1/2 , which results in the series
3/2, 3/4, 3/8, 3/16, 3/32, 3/64, and so on
