(2-x^2)/(x^2+2)^2

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Solution for (2-x^2)/(x^2+2)^2 equation: 


D( x )

(x^2+2)^2 = 0

(x^2+2)^2 = 0

(x^2+2)^2 = 0

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

x^2 = -2

x in (-oo:+oo)

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

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

x^2 = 2

x^2 = 2 // ^ 1/2

abs(x) = 2^(1/2)

x = 2^(1/2) or x = -2^(1/2)

x in { 2^(1/2), -2^(1/2) }

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