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a)
x = (1/4)^(-2) = 4^2 = 16
b)
x^2 = 81^(1/2)
x^2 = 9
x = 3 lub x = -3
c)
x^2 = (1/8)^(1/3)
x^2 = 1/2
x = + √2/2 lub x = -√2/2
d)
x = 4^(3/2) = 64^(1/2) = 8
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a)
x = (1/4)^(-2) = 4^2 = 16
b)
x^2 = 81^(1/2)
x^2 = 9
x = 3 lub x = -3
c)
x^2 = (1/8)^(1/3)
x^2 = 1/2
x = + √2/2 lub x = -√2/2
d)
x = 4^(3/2) = 64^(1/2) = 8