WBJEE 2024 Math Paper

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Question : 47 of 75

Marks: +1, -0

If α,β are the roots of the equation ax2+bx+c=0 then

lim

x⟶β

‌

1−cos(ax2+bx+c)

(x−β)2

is

‌(α−β)2
‌‌
1
2
(α−β)2
‌‌
a2
4
(α−β)2
‌‌
a2
2
(α−β)2

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