Quadratic EquationHard
Question
Let α and β be the roots of equation x2 - 6x - 2 = 0. If an = αn - βn, for n ≥ 1, then the value of 
is equal to :
is equal to :Options
A.3
B.-3
C.6
D.-6
Solution
Given x2 - 6x - 2 = 0
∴ an+2 - 6an+1 - 2an = 0
Now, put n = 8
∴ an+2 - 6an+1 - 2an = 0
Now, put n = 8
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