3/r=5/4

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Solution for 3/r=5/4 equation: 


D( r )

r = 0

r = 0

r = 0

r in (-oo:0) U (0:+oo)

3/r = 5/4 // - 5/4

3/r-(5/4) = 0

3/r-5/4 = 0

3*r^-1 = 5/4 // : 3

r^-1 = 5/12

-1 < 0

1/(r^1) = 5/12 // * r^1

1 = 5/12*r^1 // : 5/12

12/5 = r^1

r = 12/5

r = 12/5

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