Question

resolva as inequações:
A-) \frac{5x+1}{x^{2}+4x+4}<0

B-) \frac{x-3}{x^{2}+1}<0

Answer 1

b) x-3/x^2+1 < 0
x - 3 < 0
x^2 + 1 > 0
x - 3 > 0
x + 1 < 0
x < 3