Differences

This shows you the differences between two versions of the page.

@@ Line 1: / Line 1: @@
+\[E_{x,y} =\frac{\frac{\Delta q}{q}}{\frac{\Delta p}{p}}\]
+\[E_{x,y} =\frac{\Delta q}{\Delta p}\cdot\frac{p}{q}\]
+Otra:
+\[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]