If \overline{a}, \overline{b}, \overline{c} are three unit vectors such that |\overline{a}-\overline{b}|^2+|\overline{b}-\overline{c}|^2+|\overline{c}-\overline{a}|^2=15, then |\overline{a}-\overline{b}-\overline{c}|^2-4(\overline{b} \cdot \overline{c})= [AP EAPCET 21 May 2025 S1]

AP EAPCET 21 May 2025 Shift 1 Paper

Section: Mathematics

Question : 31 of 160

Marks: +1, -0

If a,b,c are three unit vectors such that |a−b|2+|b−c|2+|c−a|2=15, then |a−b−c|2−4(b⋅c)=

[AP EAPCET 21 May 2025 S1]

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