7/t=8/9

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Solution for 7/t=8/9 equation: 


D( t )

t = 0

t = 0

t = 0

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

7/t = 8/9 // - 8/9

7/t-(8/9) = 0

7/t-8/9 = 0

7*t^-1 = 8/9 // : 7

t^-1 = 8/63

-1 < 0

1/(t^1) = 8/63 // * t^1

1 = 8/63*t^1 // : 8/63

63/8 = t^1

t = 63/8

t = 63/8

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