Ответ:
99
Пошаговое объяснение:
(3 - х)(3 + х)(9 + х²) + (4 + х²)² =
(9 - х²)(9 + х²) + (4 + х²)² =
81 - х⁴ + 16 + 8х² + х⁴ = 8х² + 97
х = 1/2
8х² + 97 = 8 * (1/2)² + 97 = 8 * 1/4 + 97 =
8/4 + 97 = 2 + 97 = 99
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
99
Пошаговое объяснение:
(3 - х)(3 + х)(9 + х²) + (4 + х²)² =
(9 - х²)(9 + х²) + (4 + х²)² =
81 - х⁴ + 16 + 8х² + х⁴ = 8х² + 97
х = 1/2
8х² + 97 = 8 * (1/2)² + 97 = 8 * 1/4 + 97 =
8/4 + 97 = 2 + 97 = 99