Which of the following statement is correct?
I. The value of $$100^2 - 99^2 + 98^2 - 97^2 + 96^2 - 95^2 + 94^2 - 93^2 + ........ + 22^2 - 21^2$$ is 4840.
II. The value of $$\left(K^2 + \frac{1}{K^2}\right)\left(K - \frac{1}{K}\right)\left(K^4 + \frac{1}{K^4}\right)\left(K + \frac{1}{K}\right)\left(K^4 - \frac{1}{K^4}\right)$$ is $$k^{16} - \frac{1}{k^{16}}$$.
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