1/2/y=4/28

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Solution for 1/2/y=4/28 equation: 


D( y )

y = 0

y = 0

y = 0

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

(1/2)/y = 4/28 // - 4/28

(1/2)/y-(4/28) = 0

(1/2)/y-1/7 = 0

1/2*y^-1 = 1/7 // : 1/2

y^-1 = 2/7

-1 < 0

1/(y^1) = 2/7 // * y^1

1 = 2/7*y^1 // : 2/7

7/2 = y^1

y = 7/2

y = 7/2

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