x (x^ n-1 -n a^ n-1 ) a^n(n-1) is divisible by (x-a)^2 for - Vidyadip

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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