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sarahmckee69
27.11.2019 •
Mathematics
Consider the geometric sequence below.
-21, 63, -189, 567, . .
complete the recursively defined function to describe the sequence.
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Ответ:
n=2→f(2)=C.f(2-1)
63=C.f(1)
63=C.(-21)
Solving for C
63/(-21)=C.(-21)/(-21)
-3=C
C=-3
f(1)=-21
f(n)= - 3 . f(n-1) for n=2, 3, 4, ...
Ответ:
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