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If alpha, beta are the roots of x^(2)-ax...

If `alpha, beta` are the roots of `x^(2)-ax+b =0` and If `alpha^(n)+beta^(n)=V_(n)` then

A

`V_(n+1)=aV_(n) +bV_(n-1)`

B

`V_(n+1) =aV_(n)+aV_(n-1)`

C

`V_(n+1)=aV_(n)-bV_(n-1)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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