3y^2-7*(7y/3)^-1/2

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Solution for 3y^2-7*(7y/3)^-1/2 equation: 


D( y )

(7*y)/3 = 0

(7*y)/3 = 0

(7*y)/3 = 0

7/3*y = 0 // : 7/3

y = 0

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

3*y^2-((7*((7*y)/3)^-1)/2) = 0

3*y^2+(-7/2)*((7*y)/3)^-1 = 0

3*y^2-3/2*y^-1 = 0

3*y^-1*(y^3-1/2) = 0

1*y^3 = 1/2 // : 1

y^3 = 1/2

y^3 = 1/2 // ^ 1/3

y = (1/2)^(1/3)

3/y = 0

3*y^-1 = 0 // : 3

y^-1 = 0

y należy do O

y = (1/2)^(1/3)

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