Let \alpha and \beta be the roots of x^{2}-6 x-2=0. If a_{n}=\alpha^{n}-\beta^{n} for n \geq 1, then the value of {a_{10}-2 a_{8}}/{3 a_{9}} is [25 Feb 2021 Shift 2]

Quadratic Equation and Inequalities Part 1

Section: Mathematics

Question : 21 of 100

Marks: +1, -0

Let α and β be the roots of x2−6x−2=0. If an=αn−βn for n≥1, then the value of ‌

a10−2a8

3a9

[25 Feb 2021 Shift 2]

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