alpha and beta are the roots of the qua...

`alpha and beta ` are the roots of the quadratic equation `x^(2) - x - 1 = 0` what is the value of `alpha^(8) + beta^(8)` ?

A

47

B

54

C

59

D

68

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CHAMPION PUBLICATION-2017 TIER-II PAPER(11)-EXERCISE

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