If |a| = 3|b|, |b| = 2 and angle between a and b is 60^, then |a - b| is equal to: Option 1: 14 Option 2: 2sqrt(7) Option 3: 28 Option 4: 25

The answer is '2sqrt(7)'. View full solution:

CUET Mathematics - If |a| = 3|b|, |b| = 2 and angle between a and b is 60^, then |a - b| is equal to: | PYQs + Solutions

CUET Mathematics 2022 10 Aug Shift 1

Algebra

Easy

$2\sqrt{7}$

✅ Correct Option: 2

Related questions:

10 Aug Shift 1

The angle between the vectors $\hat{i} - \hat{j}$ and $\hat{j} - \hat{k}$ is:

16 May Shift 1

Match List-I with List-II

List-I	List-II
(A) Angle between î and -ĵ is	(I) $\frac{\pi}{6}$
(B) Angle between 2î + k̂ and 10î + 5k̂ is	(II) $\frac{\pi}{4}$
(C) Angle between î and î + ĵ is	(III) 2π
(D) Angle between √3ĵ - k̂ and ĵ is	(IV) $\frac{\pi}{2}$

Choose the correct answer from the options given below:

19 May Shift 1

If $\vec{a} = \hat{i} + \hat{k}$ , $\vec{b} = \hat{j} - \hat{k}$ and $\vec{c} = \hat{i} + \hat{j} + \hat{k}$ such that $\vec{r} \times \vec{b} = \vec{c} \times \vec{b}$ and $\vec{r} \cdot \vec{a} = 0$ , then $\vec{r}$ is:

CUET Mathematics 2022 10 Aug Shift 1 PYQs

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