Q519
Which one of the following is the common factor of (4743 + 4343) and (4747 + 4347) = ?
A.
(47 - 43)
B.
(47 + 43)
AnswerC.
(4743 + 4343)
D.
None of these
Answer: Option B
Solution
Answer: Option B
Solution:
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)