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10 + 0 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

If A = {4,5}, then P(A) will be equal to:

{4} ,{5}

{4} ,{5} {4,5}

{4},(5},{4},{5}

{∅,{4},{5},{4,5}