|a̅| = |b̅| = |c̅| = 1 and |a̅ + b̅ + c̅| 2 = 0, then find the value of a̅b̅ + b̅c̅ + c̅a̅.

Agniveer Vayu or IAF Group X 25 July 2022 Paper

Question : 28 of 70

Marks: +1, -0

|a̅| = |b̅| = |c̅| = 1 and |a̅ + b̅ + c̅|² = 0, then find the value of a̅b̅ + b̅c̅ + c̅a̅.

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