Let be a given triangle

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

Let

\triangle ABC

be a given triangle. If

|\mathbf{BA} - t\mathbf{BC}| \ge |\mathbf{AC}|

for any

t \in \mathbb{R}

, then

\triangle ABC

is (1) Equilateral (2) Right angled (3) Isosceles (4) None of these