The correct answer is the first choice
ANSWER

EXPLANATION
The sum of the first
terms of a geometric sequence is given by;

Where
, is the number of terms and
is the first term.
When
, we have
, we get;





I think it the second one no the 3 one you chose !
The <em><u>correct answer</u></em> is:
False.
Explanation:
A corollary is a short statement whose proof relies on an already proven theorem.
Since corollaries rely on theorems, theorems do not rely on corollaries.