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  • Help me please, - Sets, Relations and Functions - JEE Main-4

If A\times B = \{1,3,4\} and A\times C = \{3,4\} then A\times (C-B) =

  • Option 1)

    {1}

  • Option 2)

    {3,4}

  • Option 3)

    {1,3,4}

  • Option 4)

    None of these.

 

Answers (1)

best_answer

As we have learnt,

 

Theorem of Cartesian Product -

AX(B-C)=(AXB)-(AXC)

-

 

 A x (C -B) = (A x C) - (A x B)

                  = doesnt not exist = \phi

 


Option 1)

{1}

Option 2)

{3,4}

Option 3)

{1,3,4}

Option 4)

None of these.

Posted by

Himanshu

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