Question

(i) Write a set of the letters of the word 'human, in Roster form, Set-Builder form and also write the cardinal number of the set​

Answer 1

Answer:

write the following set in roster from also write it's cardinal number

A={x/x=3n,n€N and n <8}

Ans:X=3n

where is the natural number and n<8

A=(3,6,9,12,15,18,21).