1.

Write the following set in Roster form {x/x=3n-7, x ∈ W, n

Answer»

ANSWER:

x=3n

where N is a natural number and n<8

So, n can be any digit from 1,2,3,4,5,6,7

So, in roster form

A={3,6,9,12,15,18,21}

CARDINAL number = no. of distinct elements in the Set=7

hope it helps

please mark as BRAINLIEST


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