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2 years ago

5

Give a recursive definition for the set X of all natural numbers that are one or two more than a multiple of 10. In other words,

give a recursive definition for the set {1, 2, 11, 12, 21, 22, 31, 32, ... }.

1 answer:

Y_Kistochka [10]2 years ago

6 0

F(0)=1
f(1)=2
f(n)=f(n-2)+10

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