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Let alpha and beta be the roots of the e...

Let `alpha` and `beta` be the roots of the equation `5x^2+6x-2=0`. If `S_n=alpha^n+beta^n, n=1,2,3....` then

A

`5S_6+6S_5=2S_4`

B

`6S_4+2S_5=5S_6`

C

`6S_2+5S_6=6S_4`

D

`6S_2+5S_4=2S_6`

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