1) (a-b)(a+b)(a²+b²)= a⁴-b⁴
(a²-b²)(a²+b²)= a⁴-b⁴
a⁴-b⁴= a⁴-b⁴
Доказано
2) (а⁴+b⁴)(a²+b²)(a+b)(a-b)= a⁸-b⁸
(a⁴+b⁴) (a²+b²) (a²-b²) =a⁸-b⁸
(a⁴+b⁴)(a⁴-b⁴)= a⁸-b⁸
a⁸-b⁸= a⁸-b⁸ доказано
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1) (a-b)(a+b)(a²+b²)= a⁴-b⁴
(a²-b²)(a²+b²)= a⁴-b⁴
a⁴-b⁴= a⁴-b⁴
Доказано
2) (а⁴+b⁴)(a²+b²)(a+b)(a-b)= a⁸-b⁸
(a⁴+b⁴) (a²+b²) (a²-b²) =a⁸-b⁸
(a⁴+b⁴)(a⁴-b⁴)= a⁸-b⁸
a⁸-b⁸= a⁸-b⁸ доказано