Actualizar 'Questions.txt'

This commit is contained in:
Enrique Andrade Gonzalez 2017-11-16 17:43:01 +00:00
parent c456e82423
commit 7b189275b2

View File

@ -90,7 +90,10 @@ Esto es una ecuación derivadas
+ Solve equation \frac{d^2 u}{dx^2}-x\frac{du}{dx}+u=0 + Solve equation \frac{d^2 u}{dx^2}-x\frac{du}{dx}+u=0
#08 #08
Preguntar si:
(x, y) \ mapsto x ^ 2 + y ^ 2
(x, y) \ mapsto x ^ 2-y ^ 2 + 2 x y ^ 2 + 1.
Son correctos
#09 #09