Introduction to Quantum Mechanics · Problem A.6

Afterword — David J. Griffiths

Physics — Quantum Mechanics · inner-products

Problem

Find the angle (in the sense of Equation A.28) between the vectors

|\alpha\rangle = (1+i)\hat{i} + (1)\hat{j} + (i)\hat{k}

and

|\beta\rangle = (4-i)\hat{i} + (0)\hat{j} + (2-2i)\hat{k}