Review Lesson

What is the formula to get the nth term of harmonic sequence?

What is the formula to get the three harmonic means?

3,6,9,12,18,...

The constant r in a geometric sequence is called the _________________________.

1/3, 1/6, 1/9, 1/12,...

The _________________ in mathematics can be defined as the reciprocal of the arithmetic sequence with numbers other than 0.

What is the formula to get the harmonic means with two positive numbers?

What is my complete name?

3,9,27,81,...

A sequence in which each term is obtained by multiplying the preceding term by a constant is called a/an __________________________________.

What is the formula to get the geometric sequence?

What is the formula to get the sum of geometric series?