AP EAMCET Engineering 21 Sep 2020 Shift 1 Paper

Section: Mathematics
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Question : 44 of 160
 
Marks: +1, -0
If f:RR is defined as f(x)=
2020x
2020x+2020
,xR, then
4039
r=1
2f(
r
4040
)
=
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