(x2-7)^1/2

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Solution for (x2-7)^1/2 equation: 


x in (-oo:+oo)

((x^2-7)^1)/2 = 0

(x^2-7)/2 = 0

1*x^2 = 7 // : 1

x^2 = 7

x^2 = 7 // ^ 1/2

abs(x) = 7^(1/2)

x = 7^(1/2) or x = -7^(1/2)

x in { 7^(1/2), -7^(1/2) }

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