- #1

juice34

## Homework Statement

n=y*sqrt((V)/(

***x) and Q=sqrt(**

*v*__*V*x)*f(n)__

**v**so i have V=-dQ/dx=(dQ/dn)*(dn/dx) and the final answer is V=(1/2)*sqrt((

__*V)/x)(n*df/dn-f)__

**v**## Homework Equations

## The Attempt at a Solution

i have tried diff. by hand and also by maple and cannot get the answer. What am i doing wrong, because after all i have to quantities added together and that seems weird to me.