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Write the set A={3,6,9, ...∞} in set builder notation

Write the set A={3,6,9, ...∞} in set builder notation

Grade:12th pass

1 Answers

Vijay
48 Points
one year ago
Answer –  { x : x = 3y , y \epsilon N and N \geqslant 1  }    where N is Natural number.
 
Explaination -
        3 = 3 x 1 
        6 = 3 x2 
        9 = 3 x 3 …........ so on . Therefore  x = 3y ( 3 times of y )
 
Thanks

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