Multiple choice
For qubit 0 after this circuit, what is ⟨X⟩, the X-axis projection of its Bloch vector?
const c = circuit(2); c.ry(3 * Math.PI / 4, 0); c.cx(0, 1); c.ry(Math.PI / 3, 0); c.ry(Math.PI / 6, 1); c.measure(); return c;
Commit your prediction for ⟨X⟩ of qubit 0 — then run it.