AP EAPCET 25-Aug-2021 Shift 1 Paper

Section: Mathematics
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Question : 8 of 160
 
Marks: +1, -0
If a,b,c are real numbers such that a2+b2+c2−ab−bc−ac≤0, then
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(a−b+1)5b7−c7c9−a9
a11−b11(b−c+2)3c13−a13
a15−b15b17−c17(c−a+3)1
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=
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