If alpha, beta are the roots of the equa...

If `alpha`, `beta` are the roots of the equation `ax^(2)+bx+c=0` and `S_(n)=alpha^(n)+beta^(n)`, then `aS_(n+1)+bS_(n)+cS_(n-1)=(n ge 2)`

A

0

B

a+b+c

C

abc

D

none

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The correct Answer is:

A

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