4x=144/x

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Solution for 4x=144/x equation: 


D( x )

x = 0

x = 0

x = 0

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

4*x = 144/x // - 144/x

4*x-(144/x) = 0

4*x-144*x^-1 = 0

4*x^1-144*x^-1 = 0

(4*x^2-144*x^0)/(x^1) = 0 // * x^2

x^1*(4*x^2-144*x^0) = 0

x^1

4*x^2-144 = 0

4*x^2-144 = 0

DELTA = 0^2-(-144*4*4)

DELTA = 2304

DELTA > 0

x = (2304^(1/2)+0)/(2*4) or x = (0-2304^(1/2))/(2*4)

x = 6 or x = -6

x in { -6, 6} 

x in { -6, 6 }

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