The answers are as follows:
1-D
2-B
3-C
4-A
Answer:
The result of the integration is 
Step-by-step explanation:
Integration of a power of x:
The integration of a power of x is:

In this question:
. So

The result of the integration is 
Answer:
5/6
Step-by-step explanation:
Answer:
Step-by-step explanation:
b
Answer:
50
Step-by-step explanation:
53.042 -3.350 = 49.692---> 50