Question

Find a vector of magnitude 5 units, and parallel to the resultant of the vectors

\(\vec{a} = 2\hat{i} + 3\hat{j} - \hat{k}\; and\; \vec{b} = \hat{i} - 2\hat{j} + \hat{k}\)

Answer 1

\(\vec{a} + \vec{b} = 3\vec{i} + \vec{j} + \vec{k}\)