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Matematik
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(n!)/(ncdot (n+1)!+n!cdot (n+1))=(1)/(25) olduguna gôre nka a) 4 b) 5 c) 6 . d) 7

Soru

(n!)/(ncdot (n+1)!+n!cdot (n+1))=(1)/(25) olduguna gôre nka A) 4 B) 5 C) 6 . D) 7

Çözüm

3.4 (248 Oylar)
Özlem
Uzman doğrulaması
Usta · 5 yıl öğretmeni

Cevap

Let's solve the given equation step by step: First, let's simplify the denominator: We can factor out from both terms: So the equation becomes: We can cancel out from the numerator and the denominator: Now, equate the denominators: Taking the square root of both sides: Since must be a positive integer, we only consider the positive root: Solving for : Therefore, the correct answer is:A) 4