AP EAPCET 23-Aug-2021 Shift 2 Paper

Section: Mathematics
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Question : 62 of 160
 
Marks: +1, -0
If the function f(x), defined below, is continuous everywhere, then k equals
f(x)={
2x−1
√1+x−1
,−1≤x<∞
k,x=0
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