SOLUTION: can you please show me how to do this problem? {{{(q)/(m)=(2V)/(b^2)(r^2)}}} solve for B.

Algebra ->  Rational-functions -> SOLUTION: can you please show me how to do this problem? {{{(q)/(m)=(2V)/(b^2)(r^2)}}} solve for B.      Log On


   



Question 192220: can you please show me how to do this problem? %28q%29%2F%28m%29=%282V%29%2F%28b%5E2%29%28r%5E2%29 solve for B.
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
qb%5E2r%5E2=2Vm after cross multiplication
:
b%5E2=%282Vm%2Fqr%5E2%29
:
b=sqrt%28%282Vm%2Fqr%5E2%29%29