AP EAPCET 07-Jul-2022 Shift 2 Paper

Section: Mathematics

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Question : 12 of 160

Marks: +1, -0

If a2+b2+c2=1,a,b,c∈C, then the set of extreme values of ab+bc+ca is

{‌
1
2
,2}
{−1,2}
{−1,‌
1
2
}
{‌
−1
2
,1}

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