Problem to Normalize a wave function

[jg370]

Homework Statement

To find the stationary states and the corresponding energies, I need to normalize the following equations:

X(x)=A_x sin(\frac{n_x\Pi}{a}x)

Y(y)=A_y sin(\frac{n_y\Pi}{a}y

Z(z)=A_z sin(\frac{n_z\Pi}{a}z

Because of their similiraty, these value of the normalize coefficient is the same, namely:

A_x=A_y=A_z = \sqrt\frac{2}{a},

as given in my textbook.

Homework Equations

Applying the normalization condition:

\int_{-infty}^{infty}\psi^\ast\psi dx = 1

The Attempt at a Solution

 

[vela]

Did you have a specific question?