SOLUTION: solve for r, 36r^2-1=0

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Question 515732: solve for r, 36r^2-1=0

Answer by Maths68(1474) About Me  (Show Source):
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solve for r, 36r^2-1=0
36r^2-1=0
(6r)^2-(1)^2=0
(6r-1)(6r+1)=0
(6r-1)=0 or(6r+1)=0
6r=1 or6r=-1
r=1/6 or r=-1/6