# A geometric sequence is defined recursively by #a_n= 4a_(n-1)#, and the first term of the sequence is 0.5, how do you find the explicit formula?

##### 1 Answer

Jul 3, 2018

#### Answer:

#### Explanation:

Looking at this we have...

Since we are told that is a geometric sequence there has to be a

So explicitly written, the formula would be: