Answer:
Radius of the convergence is R = 
and,
The Interval of convergence is 
Step-by-step explanation:
Given function : Σ(21x)^k
Now,
Using the ratio test, we have
R = 
or
R = 
or
R = 
now,
for convergence R|x| < 1
Therefore,
< 1
or

and,
Radius of the convergence is R = 
and,
The Interval of convergence is 
This is my interpretation of the questions answer. If you are thinking of a design ten just make a snake one. Its simple but not hard.
Answer:
37.7125
Step-by-step explanation:
35 * 1.0775
Answer:
the 2 one
Step-by-step explanation:
I believe it is -1 since -3 times -1 equals 3 and the rate of change is based on the slope of a line