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A common factor of ( 41 43 + 43 43 ) and ( 41 41 + 43 41 ) is ...

Correct Answer: ( 43 + 41 )

Explanation:

We know that when m is a odd number ( xm + am ) is divisible by ( x + a ).
∴ Each one is divisible by (41 + 43).
So Common factor = (41 + 43).


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