Any way to solve parametric inequations?
09-14-2021, 10:23 AM
Post: #12
 Albert Chan Senior Member Posts: 1,896 Joined: Jul 2018
RE: Any way to solve parametric inequations?
(09-14-2021 09:35 AM)Albert Chan Wrote:  Perhaps it should be setup with 2 assumes (y≥0, y≤0), like ti-89 solution.
Or, "safer" assumes (y>0, y<0), and handle y==0 edge case separately.

WolframAlpha does the safe way: solve x*y/(x+y)^2 <= 0, for (y,x)

Code:
y < 0: (0 ≤ x < -y) OR (x > -y)  y = 0: (x < 0) OR (x > 0) y > 0: (x < -y) OR (-y < x ≤ 0)
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 Messages In This Thread Any way to solve parametric inequations? - dah145 - 09-04-2021, 02:49 AM RE: Any way to solve parametric inequations? - jte - 09-05-2021, 04:30 PM RE: Any way to solve parametric inequations? - dah145 - 09-07-2021, 09:48 PM RE: Any way to solve parametric inequations? - jte - 09-12-2021, 11:42 PM RE: Any way to solve parametric inequations? - parisse - 09-13-2021, 04:49 PM RE: Any way to solve parametric inequations? - roadrunner - 09-13-2021, 06:39 PM RE: Any way to solve parametric inequations? - Albert Chan - 09-13-2021, 07:42 PM RE: Any way to solve parametric inequations? - jte - 09-13-2021, 09:33 PM RE: Any way to solve parametric inequations? - Albert Chan - 09-14-2021, 12:55 AM RE: Any way to solve parametric inequations? - jte - 09-14-2021, 05:13 AM RE: Any way to solve parametric inequations? - Albert Chan - 09-14-2021, 09:35 AM RE: Any way to solve parametric inequations? - Albert Chan - 09-14-2021 10:23 AM RE: Any way to solve parametric inequations? - jte - 09-14-2021, 10:58 PM RE: Any way to solve parametric inequations? - parisse - 09-15-2021, 04:53 AM

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