If is the acute angle between two unit vectors a and b, then /2 = Option 1: 1/2|a + b| Option 2: 1/2|a - b| Option 3: 1/4|a + b| Option 4: 1/4|a - b|

The answer is '1/2|a + b|'. View full solution:

CUET Mathematics - If is the acute angle between two unit vectors a and b, then /2 = | PYQs + Solutions

CUET Mathematics 2022 16 July Shift 2

Algebra

Medium

$\frac{1}{2}|\vec{a} + \vec{b}|$

$\frac{1}{2}|\vec{a} - \vec{b}|$

$\frac{1}{4}|\vec{a} + \vec{b}|$

$\frac{1}{4}|\vec{a} - \vec{b}|$

✅ Correct Option: 1

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