If \Delta=|\table 1,\cos\theta,1;-\cos\theta,1,\cos\theta;-1,-\cos\theta,1|, then Δ lies in the interval

AP EAMCET Engineering 26 Apr 2017 Shift 1 Paper

Section: Mathematics

Question : 6 of 160

Marks: +1, -0

If Δ=|

|, then Δ lies in the interval

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