Find the arithmetic mean a Subscript nan of the given terms. an−1=3​, an+=2)

Answer 1

To find the arithmetic mean a subscript nan of the given terms, we use the formula:

a subscript nan = (an-1 + an) / 2

Given that an-1 = 3 and an = 2, we can plug in these values into the formula:

a subscript nan = (3 + 2) / 2
a subscript nan = 5 / 2
a subscript nan = 2.5

Therefore, the arithmetic mean a subscript nan of the given terms is 2.5.