write the given set in roaster form R={y:y} is a two digit natural number in the sum its digit is 9}
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Step-by-step explanation:
C={x:x is a two-digit natural number such that the sum of its digits is 8}
The elements of this set are 17,26,35,44,53,62,71 and 80 only.
Therefore, this set can be written in roster form as C=17,26,35,44,53,62,71,80.
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