SOLUTION: a. Solve the equation w=cr^-2 for r.
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Question 169275: a. Solve the equation w=cr^-2 for r.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
a. Solve the equation w=cr^-2 for r.
:
w = c*r^-2
The reciprocal gets rid of the negative exponent
w =
:
Multiply eq by r^2
w*r^2 = c
then
r^2 =
and
r = +/-
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