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If A\times B = B\times A; it is possible when

Option: 1

A = \phi


Option: 2

B = \phi


Option: 3

A = B


Option: 4

All of the above.


Answers (1)

best_answer

As we have learnt,

 

Theorem of Cartesian Product -

AXB\small \neqBXA

- wherein

Cartesian Product is not commutative.

 

 

Theorem of Cartesian Product -

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

-

 

 A = \phi =B \Righatarrow A\times B = \phi; if\; A=B; A\times B = B\times A

 

 

Posted by

SANGALDEEP SINGH

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