If the sum of first n even natural number is equal to k times the sum of first n

Question

If the sum of first n even natural number is equal to k times the sum of first n odd natural numbers, then k =

Options:

A . $$\frac{1}{n}$$

B . $$\frac{{n - 1}}{n}$$

C . $$\frac{{n + 1}}{{2n}}$$

D . $$\frac{{n + 1}}{n}$$

Answer: Option D

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