Answer:
The answer is
.
Step-by-step explanation:
This is because when you multiply them together you get
,
,
, and 
When you add the like terms you get,

Step-by-step explanation:
Assume that

hence,

now,

attached below is the complete solution
Answer:
28π is the circumference
Step-by-step explanation:
I’m trying to do that too and I need an answer haha can someone please help us