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## Homework Statement

Find the adjoints for x

^{2}d/dx and d

^{2}/dx

^{2}

## Homework Equations

I know that (x

^{2})_dagger=x

^{2}and that (d/dx)_dagger=-(d/dx).

## The Attempt at a Solution

I solved x

^{2}d/dx by doing the following:

(x

^{2})_dagger * (d/dx)_dagger= (x

^{2}) * (-d/dx)

thus the answer should be -x

^{2}d/dx

For the second adjoint can I do the same step as I did previously?

Is it right for me to separate (d

^{2}/dx

^{2})_dagger into (d/dx)_dagger * (d/dx)_dagger?

I got d

^{2}/dx

^{2}as the final answer.