Question

find the union of A = {1,2,3 } ; B= empty set

#dont spam give good answer :)​

Answer 1

Answer :

A = {1,2,3}

B = {}

Union : A U B

⇒ {1,2,3} ✔

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Information Booster :-

• A set is a collection of well defined objects.
• Sets can be expressed in two ways i.e. roaster form and set builder form.
• A set that has finite number of elements is said to be finite set.
• A set that has infinite number of elements is said to be infinite set.
• A set that has only one number of elements is said to be singleton set.
• A set that has no element is said to be empty or null set.

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Answer 2

Answer:

ᎪNᏚᏔᎬᎡ

A = {1,2,3}

B = {}

Union : A U B

⇒ {1,2,3}

$\large\fcolorbox {lightblue}{pink}{more \: information}$

A set is a collection of well defined objects.

Sets can be expressed in two ways i.e. roaster form and set builder form.

A set that has finite number of elements is said to be finite set.

A set that has infinite number of elements is said to be infinite set.

A set that has only one number of elements is said to be singleton set.

A set that has no element is said to be empty or null set.

$\large\mathcal{\fcolorbox{aqua}{azure}{\pink{Hope \: it \: helps \: uh}}}$