MCQ
$x\left(x^{n-1}-n a^{n-1}\right) a^n(n-1)$ is divisible by $(x-a)^2$ for
  • A
    $n > 1$
  • B
    $n > 2$
  • all $n \in N$
  • D
    None of the above

Answer

Correct option: C.
all $n \in N$

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