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IIT JEE Advanced 2011 Paper 1

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Paragraph for Question Nos. 60 to 62:
Let a, b and c be three real numbers satisfying
[

a

b

c

][

1	9	7
8	2	7
7	3	7

] = [

0

0

0

] (E)

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Question : 62

Total: 69

Let b = 6, with a and c satisfying (E). If α and β are the roots ofthe quadratic equation ax2+bx+c = 0, then

)n is

6
7
6
7
∞

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