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## Homework Statement

Spherical Ball centered at origin uniform ##\rho## with a radius a. Find E along x-axis.

## Homework Equations

##E = \frac{\rho}{4\pi\epsilon_0}\int\int\int\frac{r^2*sin\theta}{r_\rho^2} d\phi d\theta dr##

## The Attempt at a Solution

Evaluate E spherically along the x-axis:

##(x_1, 0, 0): r_\rho^2=(x - x_1)^2 + y^2 + z^2=r^2 + x_1^2 - 2*x_1*cos\theta*cos\phi##

##r_\rho =\sqrt{r^2 + x_1^2 - 2*x_1*cos\theta*cos\phi}##

It seems I am missing a component.

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