JEE Mains Model Paper 2

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Question : 70 of 90

Marks: +1, -0

The value os

lim

x→∞

1−cos(ax2+bx+c)

(x−α)2

where α and β are the roots of ax2 + bx + c = 0 is

(a−b)2
(α−β)2
2
1
2
a2(α−β)2
(α−β)2

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