Question

Write in set builder notation A= {5, 10, 15, 20, 25, 30}

Answer 1

Answer:

A=[x:x is a multiple of 5 which is less than 30]

and This is your builder form or rule method......

hope u understood

Answer 2

SOLUTION

TO DETERMINE

The set builder notation

A = {5, 10, 15, 20, 25, 30}

CONCEPT TO BE IMPLEMENTED

SET :

A set is a well defined collection of distinct objects of our perception or of our thought to be conceived as a whole

Representation of Set :

A set can be represented in following ways

(i) Statement form method

(ii) Roster or tabular form method

(iii) Rule or set builder form method

EVALUATION

Here the given set is

A = {5, 10, 15, 20, 25, 30}

5 = 5 × 1

10 = 5 × 2

15 = 5 × 3

20 = 5 × 4

25 = 5 × 5

30 = 5 × 6

So 5, 10, 15, 20, 25, 30 are the multiples of 5 less than 35

Hence the required set in set builder notation

A = { x : x is a multiple of 5 less than 35 }

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