If a , b and c are unit vectors, then | a - b |^ 2 +| b - c |^ 2 +| c - a |^ 2 does not…
Physics · JEE Advanced · NTA Exams — Kinematics
If \(\vec{a}, \vec{b} \text { and } \vec{c}\) are unit vectors, then
\(|\vec{a}-\vec{b}|^{2}+|\vec{b}-\vec{c}|^{2}+|\vec{c}-\vec{a}|^{2}\) does not exceed
\(|\vec{a}-\vec{b}|^{2}+|\vec{b}-\vec{c}|^{2}+|\vec{c}-\vec{a}|^{2}\) does not exceed
- 4
- 9
- 8
- 6
Answer
(A) 4
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