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

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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This question belongs to Arithmetic Ability Number System

Number System

?

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

A) (47 - 43) B) (47 + 43) C) (47⁴³ + 43⁴³) D) None of these

Answer & Solution

Correct 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)

Question posted by Examveda

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