the domain of the function f(x)=root of xsq-1/x-4
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Answer:
f(x) = √(x² - 1)/x - 4
x - 4 ≠ 0
x ≠ 4
x² - 1 > 0
x² > 1
x ≠ 0
domain = [ R - {4, 0} ]
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