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Evaluate : underset(X to 2) (x^(8) - 256...

Evaluate : `underset(X to 2) (x^(8) - 256)/(x - 2)`

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We have,
`underset(x to 2)(lim) (x^(8) - 256)/(x - 2) = underset(x to 2)((x)^(8) - (2)^(8))/(x -2) = 8(2)^(8-1) [:' underset(x to a)(lim) (x^(n) - a^(n))/(x - a) = na^(n-1)]`
`= 8(2)^(7) = 8(128) = 1024`
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