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antonio0410
@antonio0410
January 2021
2
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comment je calcule? :
1. (-2)²
2. (-3)⁴
3. (-4)²
3. (-5)¹
4. (-1)⁴
5. (-15)ⁿ
6. (-15)¹
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Professorus
Verified answer
1. -2 x -2 = 4 (car - x - = +)
2. -3 x -3 x -3 x -3 = 81
3. -4 x -4 = 16
3. -5
4. -1 x -1 x -1 x -1 = 4
5. (-15)
² = -15 x -15 = 225
6. -15
Voilà ^^
1 votes
Thanks 1
Professorus
Derien
anylor
pour (-15)ⁿ ; il y a 2 cas : 1er cas n pair et 2nd cas n impair ; si n est pair le produit de facteurs sera pair et si n impair le produit de facteurs sera impair .
MAHAM
Bonjour
1. (-2)²=4
2. (-3)⁴ =81
3. (-4)² =16
3. (-5)¹=-5
4. (-1)⁴=1
5. (-15)ⁿ=(15
×
.........
×
15) n facteur
6. (-15)¹=-15
1 votes
Thanks 1
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antonio0410
January 2021 | 0 Respostas
Bonjour ! pardonnez-moi, mais j'ai une autre question , comment je fais?
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antonio0410
January 2021 | 0 Respostas
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Lista de comentários
Verified answer
1. -2 x -2 = 4 (car - x - = +)2. -3 x -3 x -3 x -3 = 81
3. -4 x -4 = 16
3. -5
4. -1 x -1 x -1 x -1 = 4
5. (-15)² = -15 x -15 = 225
6. -15
Voilà ^^
1. (-2)²=4
2. (-3)⁴ =81
3. (-4)² =16
3. (-5)¹=-5
4. (-1)⁴=1
5. (-15)ⁿ=(15×.........×15) n facteur
6. (-15)¹=-15