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If alpha and beta are roots of the equat...

If `alpha` and `beta` are roots of the equation `x^2-4sqrt2kx + 2e^(4 Ink)-1 = 0` for some `k`,and `alpha^2 + beta^2 = 66,` then `alpha^3 + beta^3` is equal to

A

`248 sqrt(2)`

B

`280 sqrt(2)`

C

`- 32 sqrt(2)`

D

`- 280 sqrt(2)`

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The correct Answer is:
B
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