If a, b and c are three unit vectors such that a + b + c = 0, then the value of a * b + b * c + c * a is Option 1: 3 Option 2: -3/2 Option 3: 3/2 Option 4: -3

The answer is '-3/2'. View full solution:

CUET Mathematics - If a, b and c are three unit vectors such that a + b + c = 0, then the value of a * b + b * c + c * a is | PYQs + Solutions

CUET Mathematics 2022 30 Aug Shift 1

Algebra

Medium

$3$

$-\frac{3}{2}$

$\frac{3}{2}$

$-3$

✅ Correct Option: 2

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