9/h+2=7/h+6

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Solution for 9/h+2=7/h+6 equation: 


D( h )

h = 0

h = 0

h = 0

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

9/h+2 = 7/h+6 // - 7/h+6

9/h-(7/h)-6+2 = 0

9/h-7*h^-1-6+2 = 0

2*h^-1 = 4 // : 2

h^-1 = 2

-1 < 0

1/(h^1) = 2 // * h^1

1 = 2*h^1 // : 2

1/2 = h^1

h = 1/2

h = 1/2

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