Project ID:
7200020079
Accepted:
Typ:
Layout:
Question:
Spárujte nerovnici a její řešení.
Questions Title:
Nerovnice:
Answers Title:
Množiny řešení:
Question 1:
$$\frac{(x−3)(x−2)}{x^2 −4}\leq 0$$
Answer 1:
$x \in (−2;2) \cup (2;3\rangle $
Question 2:
$$\frac{(x−4)(x−2)}{x^2 +4}\leq 0$$
Answer 2:
$x \in \langle 2;4\rangle $
Question 3:
$$\frac{2x(x−2)(x+1)}{x^2 +9}\geq 0$$
Answer 3:
$x \in \langle −1;0\rangle \cup \langle 2;+\infty )$
Question 4:
$$\frac{−2x(x^3+8)(x−3)}{x^4+16}\leq 0$$
Answer 4:
$x \in \langle −2;0\rangle \cup \langle 3;+\infty )$
Question 5:
$$\frac{2x(x+2)(3x^2 +6)}{x^2 −1}\leq 0$$
Answer 5:
$x \in \langle −2;−1) \cup \langle 0;1)$
Question 6:
$$\frac{(2x+2)(x−3)}{x^2 +1}\leq 0$$
Answer 6:
$x \in \langle −1;3\rangle $
Question 7:
$$\frac{(2x^2 −8)(x+3)}{(x^2 +1)(x^2 +4)}\geq 0$$
Answer 7:
$x \in \langle −3;−2\rangle \cup \langle 2;+\infty )$
Question 8:
$$\frac{(x+4)}{(x^3+1)}>0$$
Answer 8:
$(−\infty ;−4) \cup (−1;+\infty )$