- #1

- 93

- 5

## Homework Statement

Calculate the electric field at point P (refer to visual):

## Homework Equations

I follow everything - except how the limits of integration for the u-integral (

## The Attempt at a Solution

u=x

^{2}is the smallest value u can have, and u=x

^{2}+R

^{2}is the greatest value u can have?