Question

let A={1,2,5} and B={5,8,,9} which of the following shows ( A U B )?​

Answer 1

Answer:

AUB = {1,2,5,8,9}

Step-by-step explanation:

Since, A={1,2,5}

and B={5,8,,9}

=> AUB = {1,2,5,8,9}

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Answer 2

SOLUTION

GIVEN

A = { 1 , 2 , 5 } , B = { 5 , 8 , 9 }

TO DETERMINE

A ∪ B

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 it is given that

A = { 1 , 2 , 5 } , B = { 5 , 8 , 9 }

Now

A ∪ B

= { x : x ∈ A ∨ x ∈ B }

= { 1 , 2 , 5 , 8 , 9 }

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