Answer:

Step-by-step explanation:
Given that,
The value of 
We need to find an expression for
. To find it, put the value of n as (n-1). So,

Hence, the value of S(n-1) is equal to
.
1,650 is the answer to your question
Answer:
First Quadrant
Step-by-step explanation:
The quadrant in which both x and y are greater than 0 is the First Quadrant.