14/12=21/t

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Solution for 14/12=21/t equation: 


D( t )

t = 0

t = 0

t = 0

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

14/12 = 21/t // - 21/t

14/12-(21/t) = 0

14/12-21*t^-1 = 0

-21*t^-1 = -7/6 // : -21

t^-1 = 1/18

-1 < 0

1/(t^1) = 1/18 // * t^1

1 = 1/18*t^1 // : 1/18

18 = t^1

t = 18

t = 18

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