qvezne7683
21.08.2019 •
Mathematics
V.- the same number each 2 missing from the sequence v v i.
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Ответ:
an=a₁+(n-1)d
an=Nth term of the series
n=total numbers of terms in the series
d=difference between two succesive numbers
In this case
a₁=7
a₄=-5
a₄=a₁+(4-1)d
a₄=7+3d
-5=7+3d
3d=-5-7
3d=-12
d=-12/3
d=-4
We have to calculate a₂ and a₃
a₂=7+(2-1)(-4)=7-4=3
a₃=7-(3-1)(-4)=7-8=-1
7 3 -1 -5
Ответ:
Hi
Step-by-step explanation: