1/81x^4-1/256

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Solution for 1/81x^4-1/256 equation: 


x in (-oo:+oo)

(1/81)*x^4-(1/256) = 0

(1/81)*x^4-1/256 = 0

1/81*x^4 = 1/256 // : 1/81

x^4 = 81/256

x^4 = 81/256 // ^ 1/4

abs(x) = 3/4

x = 3/4 or x = -3/4

x in { 3/4, -3/4 }

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