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

If `alpha` and `beta` are the roots of the equation `ax^2+bx+c=0` and `S_n=alpha^n+beta^n`, then `a S_(n+1)+b S_n+c S_(n-1)` is equal to

A

0

B

abc

C

a+b+c

D

None of these

Verified by Experts

The correct Answer is:

A

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