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Let a, b, and c be three real numbers sa...

Let a, b, and c be three real numbers satifying `[(a, b, c)]`
`[(1,9,7),(8,2,7),(7,3,7)]=[(0,0,0)]`
Let `b=6`, with a and c satisfying (E). If `alpha` and `beta` are the roots of the quadratic equation `ax^(2)+bx+c=0`, then `sum_(n=0)^(oo) (1/alpha+1/beta)^(n)` is

A

6

B

7

C

`6/7`

D

`oo`

Text Solution

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The correct Answer is:
B
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