1.4/x=11.2/72

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Solution for 1.4/x=11.2/72 equation: 


D( x )

x = 0

x = 0

x = 0

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

1.4/x = 11.2/72 // - 11.2/72

1.4/x-(11.2/72) = 0

1.4/x-0.15555556 = 0

1.4*x^-1 = 0.15555556 // : 1.4

x^-1 = 0.11111111

-1 < 0

1/(x^1) = 0.11111111 // * x^1

1 = 0.11111111*x^1 // : 0.11111111

9.00000009 = x^1

x = 9.00000009

x = 9.00000009

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