1 + a² - 2a = 1 - 2a + a² = (1 - a)²
Или так :
1 + a² - 2a = a² - 2a + 1 = (a - 1)²
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
1 + a² - 2a = 1 - 2a + a² = (1 - a)²
Или так :
1 + a² - 2a = a² - 2a + 1 = (a - 1)²