The unit vector in the direction of a + b if a = 2i - j + 2k & b = -i + j + -k is : Option 1: i + 0j + k Option 2: i - j + k Option 3: i + j + k Option 4: 1sqrt(2)i + 1sqrt(2)k

The answer is '1sqrt(2)i + 1sqrt(2)k'. View full solution:

CUET Mathematics - The unit vector in the direction of a + b if a = 2i - j + 2k & b = -i + j + -k is : | PYQs + Solutions

CUET Mathematics 2023 23 May Shift 3

Algebra

Easy

$\hat{i} + 0\hat{j} + \hat{k}$

$\hat{i} - \hat{j} + \hat{k}$

$\hat{i} + \hat{j} + \hat{k}$

$\frac{1}{\sqrt{2}}\hat{i} + \frac{1}{\sqrt{2}}\hat{k}$

✅ Correct Option: 4