State the component-wise expression for the dot product of two vectors and .

MATHEMATICS · Subjective · A Level · Mathematics · Vectors · Vectors

Problem

State the component-wise expression for the dot product of two vectors

\mathbf{a}=\langle a_1, a_2, a_3\rangle

and

\mathbf{b}=\langle b_1, b_2, b_3\rangle