(2x^4-18)^1/2

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Solution for (2x^4-18)^1/2 equation: 


x in (-oo:+oo)

((2*x^4-18)^1)/2 = 0

(2*x^4-18)/2 = 0

2*x^4 = 18 // : 2

x^4 = 9

x^4 = 9 // ^ 1/4

abs(x) = 9^(1/4)

x = 9^(1/4) or x = -9^(1/4)

x in { 9^(1/4), -9^(1/4) }

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