# Inner product practice

Classical Mechanics Level 3

Consider two kets given below

$$\left|{\psi}_1 \right >$$ = ($$-\frac{1}{\sqrt{2}}i,-i , -3$$)

$$\left|{\psi} _2\right >$$ = ($$\sqrt{2}-i, 5, 2i$$)

Find the value of $$\left<\psi _1|\psi_2 \right >$$ upto 3 decimals

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