x² - 49 > 0
(x - 7)(x +7) > 0
+ - +
______₀_____₀_____
- 7 7
///////////// ////////////
Ответ : x ∈ ( - ∞ ; - 7) ∪ (7 ; + ∞)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
x² - 49 > 0
(x - 7)(x +7) > 0
+ - +
______₀_____₀_____
- 7 7
///////////// ////////////
Ответ : x ∈ ( - ∞ ; - 7) ∪ (7 ; + ∞)