# Thread: find the region of R

1. ## find the region of R

R is the region that lies between the curve $y=\frac{1}{x^2+4x+5}$and the x-axis
from x = -3 to x = -1. Find the area of R

2. $\frac{1}{{x^2 + 4x + 5}} = \frac{1}{{\left( {x + 2} \right)^2 + 1}}$