SOLUTION: 1/r + 2/(1- r) = 4/r^2 ; solve for r
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Question 498182: 1/r + 2/(1- r) = 4/r^2 ; solve for r
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
; solve for
....cross multiply
solutions:
first:
second and third:
...use quadratic formula to solve for
or
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