CBSE Class 11-science Answered
Asked by aahnik.mohanty | 10 Jun, 2019, 08:34: PM
Expert Answer
x2 - 6x - 2 = 0
Multiplying by x8 on both sides
x10 - 6x9 - 2x8 = 0
α and β are the roots of the equation
α10 - 6α9 - 2α8 = 0 ....(i)
β10 - 6β9 - 2β8 = 0 ....(ii)
Subtracting (ii) from (i)
(α10 - β10) - 6(α9 - β9) - 2(α8 - β8) = 0
where a10 = α10 - β10, a9 = (α9 - β9) and a8 = (α8 - β8)
a10 - 6a9 - 2a8 = 0
a10 - 2a8 = 6a9
a10 - 2a8 = 3 × 2a9
(a10 - 2a8) /2a9 = 3
Answered by Sneha shidid | 11 Jun, 2019, 11:04: AM
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