svp 1/2×2/3×3/4×4/5×....×28/99×99/100
Mathématiques
yassmina1
Question
svp
1/2×2/3×3/4×4/5×....×28/99×99/100
1/2×2/3×3/4×4/5×....×28/99×99/100
1 Réponse
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1. Réponse mohayati2006
1/2×2/3×3/4×4/5×....×98/99×99/100
=1/100
=1/n xn/n+1
=1/n+1
n=1 2 ......99