Answer:
a(-1)^(n-1).
Step-by-step explanation:
This is a Geometric Sequence with common ratio r = -1.
The general term is a(-1)^(n-1).
Answer:
Option (1)
Step-by-step explanation:



System of equations can be written as,


Therefore, system of equations given in Option (1) is the correct option.
The answer to this question is 2 square root 26
Answer:
=114
Step-by-step explanation: