Question

Hola brainlist !

Class -) 11th
Chapter -) 2

2. If the set A has 3 elements and the set B = {3, 4, 5}, then find the number of

elements in (A×B)

Please give Answer

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Answer 1

Answer:

${ \huge{ \underline{ \red{ \sf{\: Solution :}}}}}$

• A has 3 elements

B = {3, 4, 5}

• B also has 3 elements

${ \sf{A × B = no.of \: elements \: in \: A \times \: no.of \: elements \: in \: B}} \\ \\ \to{ \sf{A × B = 3 \times 3}} \\ \\ \to{ \sf{A × B = 9}}$

${ \therefore{ \underline{ \sf{ \blue{A × B = 9}}}}}$

Answer 2

Question :–

If the set A has 3 elements and the set B = {3, 4, 5}, then find the number of

Answer :–

see the attachment

hope you understand ☠☠