JEE Main 20 July 2021 Shift 1 Solved Paper

Section: Mathematics
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Question : 77 of 90
 
Marks: +1, -0
Let a function f:R→R be defined asf(x)={
sin‌x−exif x≤0
a+[−x]if 0<x<1
2x−b if x≥1

Where [x] is the greatest integer less than or equal to x. If f is continuous on R, then (a+b) is equal to:
[20 Jul 2021 Shift 1]
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