8=4/X

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Solution for 8=4/X equation: 


D( X )

X = 0

X = 0

X = 0

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

8 = 4/X // - 4/X

8-(4/X) = 0

8-4*X^-1 = 0

-4*X^-1 = -8 // : -4

X^-1 = 2

-1 < 0

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

1 = 2*X^1 // : 2

1/2 = X^1

X = 1/2

X = 1/2

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