Recent content by jvo

I got it! Thank you for your excellent help. My new year's resolution is to practice factoring more :-) Regards, Jo

Thanks for your reply but I still don't see how to get there. Can you give a hint on how to approach this? As said in my post I tried long division by (y_2 - y_1) and (y_2 - y_1)^2 but don't get even near your factored result. I know factoring quadratics and checked 'recipes' as given here...

Homework Statement Working my way through Zienkiewicz's "FEM its basis & fundamentals" I am stuck on the following example: - \int_{y_1}^{y_2} t N1 \left\{ \begin{array}{c} \sigma_x \\ \tau_y \end{array} \right\} dy = -\left\{ \begin{array}{c} k_x t (2 y_1 + y_2) (y_2 - y_1) / 6 \\ 0...