Let D be the set of all finite subsets of positive integers. Define a function T: Z+→ D as follows: For each positive integer n, T (n) = the set of positive divisors of n. Find the following: a. T(1) d. T (5) b. T (15) e. T (18) c. T (17) f. T (21)

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Chapter2: Second-order Linear Odes
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20.
Let D be the set of all finite subsets of positive integers.
Define a function T: Z+ → D as follows: For each positive
integer n, T (n) = the set of positive divisors of n.
Find the following:
a. T(1)
d. T (5)
b. T (15)
e. T(18)
c. T (17)
f. T (21)
Transcribed Image Text:20. Let D be the set of all finite subsets of positive integers. Define a function T: Z+ → D as follows: For each positive integer n, T (n) = the set of positive divisors of n. Find the following: a. T(1) d. T (5) b. T (15) e. T(18) c. T (17) f. T (21)
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