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vanyushagrechk
@vanyushagrechk
December 2021
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помогите а решить 20 баллов
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miki68
А(n)=(a(n+1)+a(n-1))/2
a₃=(12+20)/2=32:2=16
24,20,16,12 +(-4)
a(n)=√(a(n+1)*a(n-1))
a₃=√(24*6)=√144=12
3,6,12,24 *2
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Thanks 1
vanyushagrechk
мне надо через формулы( так и сама догадалась
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Answers & Comments
a₃=(12+20)/2=32:2=16
24,20,16,12 +(-4)
a(n)=√(a(n+1)*a(n-1))
a₃=√(24*6)=√144=12
3,6,12,24 *2