2/4=4/y

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Solution for 2/4=4/y equation: 


D( y )

y = 0

y = 0

y = 0

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

2/4 = 4/y // - 4/y

2/4-(4/y) = 0

2/4-4*y^-1 = 0

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

y^-1 = 1/8

-1 < 0

1/(y^1) = 1/8 // * y^1

1 = 1/8*y^1 // : 1/8

8 = y^1

y = 8

y = 8

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