4/y=15

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Solution for 4/y=15 equation: 


D( y )

y = 0

y = 0

y = 0

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

4/y = 15 // - 15

4/y-15 = 0

4*y^-1 = 15 // : 4

y^-1 = 15/4

-1 < 0

1/(y^1) = 15/4 // * y^1

1 = 15/4*y^1 // : 15/4

4/15 = y^1

y = 4/15

y = 4/15

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