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riadik2000 [5.3K]

3 years ago

7

Define ????: ℝ → {0,1} as the characteristic function of ℤ+, the set of positive integers. That is, ????(x) = ????A (x), for the

set A of positive integers = { n | n ∈ ℤ+ }.

1 answer:

Vlad1618 [11]3 years ago

7 0

Answer:

Step-by-step explanation: steps explained in attached file

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