# Show that $\int_\Omega \Delta f g = \int_\Omega f \Delta g$ for appropriate boundary conditions on $f$ or $g$

## Answer

**Answers can be viewed only if**

- The questioner was satisfied and accepted the answer, or
- The answer was disputed, but the judge evaluated it as 100% correct.

1 Attachment

Erdos

4.6K

The answer is accepted.

Join Matchmaticians Affiliate Marketing
Program to earn up to 50% commission on every question your affiliated users ask or answer.

- answered
- 540 views
- $3.00

### Related Questions

- Compute $\iint_D \frac{dx dy}{\sqrt{1+x+2y}}$ on $D=[0,1]\times [0,1]$
- Uniqueness of solutions of the elliptic equation $\Delta u = u^5 + 2 u^3 + 3 u$
- Compute $\oint_C y^2dx+3xydy $ where where $C$ is the counter clickwise oriented boundary of upper-half unit disk
- Vector Sketching
- Solve $Lx = b$ for $x$ when $b = (1, 1, 2)^T$.
- Find the volume of the solid obtained by rotating $y=x^2$ about y-axis, between $x=1$ and $x=2$, using the shell method.
- Double Integrals, polar coordinates, Stoke's theorem, and Flow line Questions
- Does $\sum_{n=2}^{\infty}\frac{\sin n}{n \ln n}$ converge or diverge?