CUET Mathematics - If a and b are two non-zero orthogonal vectors, then |a + b| is equal to | PYQs + Solutions

CUET Mathematics 2025 29 May Shift 2

Algebra

Medium

core

$2|\vec{b}|$

$2|\vec{a}|$

$|\vec{a} - \vec{b}|$

✅ Correct Option: 4

Related questions:

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If $\vec{a}$ , $\vec{b}$ and $\sqrt{3}\vec{a} - \vec{b}$ are three unit vectors, then the angle between $\vec{a}$ and $\vec{b}$ is:

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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

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Match List-I with List-II

List-I	List-II
(A) Angle between i and -j is	(I) $\frac{\pi}{6}$
(B) Angle between 2i + 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:

CUET Mathematics 2025 29 May Shift 2 PYQs

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