# Question #730a0

##### 2 Answers

Mar 30, 2017

#### Answer:

#### Explanation:

Denote the

Then

Substituting the first line into the second we get that

Inserting into the first equation, we get that

Thus the first element

Mar 30, 2017

#### Answer:

#### Explanation:

Let the **Geom. Seq.** be

By what is given,

Now,