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find-the-focus-of-the-hyperbola-x-2-16xy-11y-2-12x-6y-21-0-




Question Number 24966 by math solver last updated on 30/Nov/17
find the focus of the hyperbola   x^2 −16xy−11y^2 −12x+6y+21=0 ?
$$\mathrm{find}\:\mathrm{the}\:\mathrm{focus}\:\mathrm{of}\:\mathrm{the}\:\mathrm{hyperbola}\: \\ $$$${x}^{\mathrm{2}} −\mathrm{16}{xy}−\mathrm{11}{y}^{\mathrm{2}} −\mathrm{12}{x}+\mathrm{6}{y}+\mathrm{21}=\mathrm{0}\:? \\ $$
Commented by math solver last updated on 30/Nov/17
(√(?(√(?(√?)))))
$$\sqrt{?\sqrt{?\sqrt{?}}} \\ $$

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