Question:A = { 5, 6 } এবং B = { a, b } হলে, `A XX B` = কত? 

A {( 5, 6)( a, b)} 

B {( 5, a), ( 5, b), ( 6, a), ( 6, b)} 

C {5, a}, {5, b}, { b, a}, { b, b } 

D ( 5, a), ( 5, b), ( b, a), ( b, b) 

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