If , and , then find the value of…

MATHEMATICS · Subjective · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

|\mathbf{a}| = 2

|\mathbf{b}| = 5

and

|\mathbf{a} \times \mathbf{b}| = 8

, then find the value of

\mathbf{a} \cdot \mathbf{b}