CUET Mathematics - Let a = i + 2j + 3k and b = -2i + 3j - 4k, then which of the following statements are correct? (A) |a| = sqrt(14) (B) |b| = 29 (C) a * b = 8 (D) Angle between a and b is ^-1(-8sqrt(406)) Choose the correct answer from the options given below: | PYQs + Solutions

CUET Mathematics 2025 22 May Shift 1

Algebra

Medium

core

(A) and (D) only

(A) and (C) only

(B), (C) and (D) only

(A), (C) and (D) only

✅ Correct Option: 1

Related questions:

15 May Shift 2

If $\vec{a}, \vec{b}$ and $\vec{c}$ are three unit vectors such that $\vec{a} + 2\vec{b} - 3\vec{c} = \vec{0}$ , then the value of $2\vec{a}.\vec{b} - 6\vec{b}.\vec{c} - 3\vec{c}.\vec{a}$ is

27 May Shift 1

The projection of the vector $5\hat{i} + \hat{j} - 3\hat{k}$ on the vector $\hat{i} + 2\hat{j} - 3\hat{k}$ is

30 May Shift 2

If $heta$ is the angle between two unit vectors $\vec{a}$ and $\vec{b}$ then $|\vec{a}-\vec{b}| =$

CUET Mathematics 2025 22 May Shift 1 PYQs

Keyboard Shortcuts