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Question

Which one of the following is the common factor of (4743 + 4343) and (4747 + 4347) ?


Options:
A .  (47 - 43)
B .  (47 + 43)
C .  (4743 + 4343)
D .  None of these
Answer: Option B

When n is odd, (xn + an) is always divisible by (x + a).

Each one of (4743 + 4343) and (4747 + 4347) is divisible by (47 + 43).




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