$\"\"$

The geometric sequence is $\"\"$ .

The first term of the sequence is $\"\"$ .

The second term of the sequence $\"\"$ .

Find the common ratio.

Common ratio: $\"\"$ .

$\"\"$

$\"\"$ .

Common ratio is $\"\"$ .

Sum of the first $\"\"$ terms of the geometric series $\"\"$ .

Where $\"\"$ is the first term and $\"\"$ is the common ratio.

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$

The sum of the first $\"\"$ terms of the series is $\"\"$ .