Answer:
x = 65.4
Step-by-step explanation:
I solved this question already. My explanation is here: brainly.com/question/20456072
Hope this helped! <3
 
        
             
        
        
        
1. The word is inverse not inverese. 
2. Where is the question?
 
        
                    
             
        
        
        
Answer: Cluster Sampling
Step-by-step explanation: Sampling is the process of collecting a representative of a particular Population of persons, activities, materials etc in order to use them for an experiment or research. Sampling can be done in different ways which include Cluster Sampling, random Sampling, stratified Sampling etc.
The activities of the Pollster using a random number to choose the residents of a given location is a Sampling method by Clustering.
Cluster Sampling is the process of identifying the cluster of participants representing the population and their inclusion in the sample group.
 
        
             
        
        
        
Given the sum:

The sum is given below:
Therefore, the sum of the polynomials is: