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Let A = { a,b,c,d,e,f,g,g} Consider the following subset of A.
$A_1$ = [a,b,c,d] , $A_2$ = {a,c,e,g,g}
$A_3$ = {a,c,e,g} , $A_4$ = {b,d} , $A_5$ = {f,h}
Determine whether following is a partition of A or not.
Justify your answer.