What are the characteristic features of a hyperbola with an equation of (x^2/a^2) - (y^2/b^2) = 1?
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Math question: Find the value of sinh(arccosh(e^3 - 5)) - cosh(arcsinh(7.8))
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Math question: Find a positive integer solution to the equation x^n + y^n = z^n for n > 2, as per Fermat's Last Theorem. Solve for x, y, and z separately using n=3.