EAMCET Engineering 2006 Solved Paper

Section: Mathematics

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Question : 144 of 160

Marks: +1, -0

If

lim

x→0

(‌

cos‌4‌x+a‌cos‌2‌x+b

x4

) is finite, then the values of a,b are respectively :

5,−4
−5,−4
−4,3
4,5

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