EAMCET Engineering 2008 Solved Paper

Section: Mathematics

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Question : 142 of 160

Marks: +1, -0

If f:R→R is defined by
f(x)={

‌

cos‌3‌x−cos‌x

x2

‌

‌ for ‌x≠0

λ

‌

‌ for ‌x=0

.
and if f is continuous at x=0, then λ is equal to

−2
−4
−6
−8

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