3/x^2+2/x

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Solution for 3/x^2+2/x equation: 


D( x )

x = 0

x^2 = 0

x = 0

x = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

2/x+3/(x^2) = 0

2*x^-1+3*x^-2 = 0

t_1 = x^-1

3*t_1^2+2*t_1^1 = 0

3*t_1^2+2*t_1 = 0

DELTA = 2^2-(0*3*4)

DELTA = 4

DELTA > 0

t_1 = (4^(1/2)-2)/(2*3) or t_1 = (-4^(1/2)-2)/(2*3)

t_1 = 0 or t_1 = -2/3

t_1 = -2/3

x^-1+2/3 = 0

1*x^-1 = -2/3 // : 1

x^-1 = -2/3

-1 < 0

1/(x^1) = -2/3 // * x^1

1 = -2/3*x^1 // : -2/3

-3/2 = x^1

x = -3/2

t_1 = 0

x^-1+0 = 0

x^-1 = 0

1*x^-1 = 0 // : 1

x^-1 = 0

x naleu017Cy do O

x = -3/2

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