logan137
logan137
28-03-2018
Mathematics
contestada
Is the correct answer (B)
Respuesta :
mkryukova19
mkryukova19
25-06-2018
n=1,
a1
= 48-1*11=48-11=
37
a2= 48 -2*11=48 -22=26
d= 26 -37 = -11
a(n) = a(n-1) - 11
a1=37
a(n) = a(n-1) - 11
Check:
a1=37, a2= a1-11 =37-11=26
a3= 48 -3*11=48-33=15 (using explicit formula),
and a3=a2 - 11=26 -11 =15 (the same answer)
Answer is B.
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