AP EAMCET Engineering 2011 Solved Paper

Section: Mathematics

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Question : 82 of 160

Marks: +1, -0

If [x] denotes the greatest integer not exceeding x and if the function f defined by
f(x)={

a+2‌cos‌x

x2

,

x<0

b‌tan‌

π

[x+4]

,

x≥0

is continuous at x=0, then the ordered pair (a,b) is equal to

(−2,1)
(−2,−1)
(−1,√3)
(−2,−√3)

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