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Paliiiura1
a fost răspuns

Efectuati 1) (X-1)² 2) (1-x)² 3) (7a-1,1b²)² 4) (√11-t³)² 5) (A²b-ab)² 6) (√5-2√2t

Răspuns :

Mihaelap
1) (x - 1)² = x² - 2x + 1
2) (1 - x)² = 1 - 2x + x²
3) (7a - 1,1b²)² = 49a² - 15,4ab² + 1,21b⁴
4) (√11 - t³)² = 11 - 2√11t³ + t⁶
5) (a²b - ab)² = a⁴b² - 2a³b² + a²b²
6) (√5 - 2√2t)² = 5 - 4√10t + 8t²