Answer:

Step-by-step explanation:
In 2x/(x^2 - 1)1/2

Apply the property of natural log
ln x^m = m ln(x) move the exponent before ln


ln(m/n)= ln m - ln n

multiply 1/2 inside the terms

Answer:
The answer is D
Step-by-step explanation:
the graph has a closed circle and the arrow points to the right.
For this case we have that by definition, the area of a circle is given by:

Where:
r: It is the radius of the circle
As data we have that
Then, replacing we have:

Taking 
A = 113.04
So, the pool area is 
Answer:
