mustafa7599 mustafa7599
  • 31-05-2023
  • Mathematics
Answered


(an) aritmetik dizisinin ilk n teriminin toplamı (Sn)'dir.
r ortak fark olmak üzere,
Sn=a.n²+b.n
● a₂ = r
• S1o = 135
bilgileri veriliyor.
Buna göre, a . b çarpımı kaçtır?
A) -12
B)-6 C) - D) 1 E) 6
19. A



Answer :

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