AP EAMCET Engineering 2018 Apr 24 Shift 1 Paper

Section: Mathematics
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Question : 63 of 160
 
Marks: +1, -0
If the function f defined by f (x) = {
cosxif‌x≤0
3x+αif‌0<x<2
βx+3if‌2≤x≤4
11if‌x>4
, where α and β are real constants, is continuous on R , then α2+β2=
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