Q1726: For any two vectors $\vec{a}$ and $\vec{b}$, which of the fo... | Class CBSE Class 12

Class CBSE Class 12 Mathematics Vector Algebra Q #1726

KNOWLEDGE BASED 1 Marks 2026 AISSCE(Board Exam) MCQ SINGLE

For any two vectors $\vec{a}$ and $\vec{b}$, which of the following statements is always true ?

(A) $\vec{a}.\vec{b}\le|\vec{a}||\vec{b}|$

(B) $|\vec{a}+\vec{b}|\ge|\vec{a}|+|\vec{b}|$

(C) $|\vec{a}-\vec{b}|=|\vec{a}|-|\vec{b}|$

(D) $|\vec{a}\times\vec{b}|\ge|\vec{a}||\vec{b}|$

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