If (x²+1) ²= (99²+1) ² ,what's x?

[math](x^2 + 1)^2 = (99^2 + 1)^2[/math] [math]\implies (x^2 + 1)^2 - (99^2 + 1)^2 = 0[/math] [math]\implies (x^2 + 1 - 99^2 - 1) (x^2 + 1 + 99^2 + 1) = 0[/math] [math]\implies (x^2 - 99^2) (x…

Top stories for Joãozinho da Couve   If (x²+1) ²= (99²+1) ² ,what's x? Mohammad Afzaal Butt, B.Sc Mathematics & Physics, Islamia College Gujranwala (1977) • Answered July 26, 2019 [math](x^2 + 1)^2 = (99^2 + 1)^2[/math] [math]\implies (x^2 + 1)^2 - (99^2 + 1)^2 = 0[/math] [math]\implies (x^2 + 1 - 99^2 - 1) (x^2 + 1 + 99^2 + 1) = 0[/math] [math]\implies (x^2 - 99^2) (x^2 + 9803) = 0[/math] [math]\implies (x^2 - 99^2) [x^2 + (\sqrt{9803})^2] = 0[/math] [math]\implies (x^2 - 99^2) [x^2 - (\sqrt{9803}\,i)^2] = 0[/math] [math]\implies (x - 99) (x + 99) (x - \sqrt{9803}\,i) (x + \sqrt{9803}\,i) = 0[/math] [math]x - 99 = 0\implies x = 99[/math] [math]x + 99 = 0\implies x = -99[/math] [math]x - \sqrt{9803}\,i = 0\implies x = \sqrt{9803}\,i[/math] [math]x + \sqrt{9803} i = 0\implies x = - \sqrt{9803}\,i[/math] Read more » 215 63   Have you ever smelled something but only found the source of the smell a while later? Deborah Fedorchak Liberatore, former Retired • Answered September 4, 2023 My son's room had the smell of a rotting corpse. We tore the room up looking for the source. He had an aquarium and we emptied it, scrubbed it, replaced the stones. Come to... Read more » 6.2K 367   What do homeless people do all night if they aren't staying in a shelter? Interstellar, Paranormal/UFO Researcher and alien "Contactee" • Updated August 1, 2023 I spent two years homeless, both in homeless shelters AND on the streets, and the answer to your question is really quite mundane: Homeless shelters, while they do have some... Read more » 3.3K 572   Why is chemo more dangerous than cancer itself? Paul Lewis, Writer, blogger and stage IV bowel cancer patient since 2014 • Answered September 10, 2018 Chemo is horrible. It's a poison! It poisons all the cells in your body, in the hope that it'll damage the cancer cells the most. Thus letting you live longer. And you know wh... Read more » 1.1K 169   Do trans people get offended if you've known them before and you accidentally call them by their dead name? Michael Anderson, lives in London • Answered September 3, 2023 The director of my department took six weeks away from work and came back after she had transitioned from Mick to Elizabeth. In meetings someone would occasionally and acci... Read more » 3.2K 499   Are there ghosts at funerals? Amit Das, lives in Mumbai, Maharashtra, India • Answered July 30, 2023 Yes I believe so. Before my cousin passed at the hospital, he had told my dad that he wanted to go home, have a hot shower, have a drink and then go off to sleep forever. He... Read more » 5.7K 397   Will a new PlayStation console come out in 2018? Robert Wahlström, Nintendo Switch owner. • Updated January 25, 2018 Playstation 1: 1994 Lifetime: 6 years Playstation 2: 2000 Lifetime: 6 years... Read more » 366 93   My husband and I are going on an excursion for a week and we're leaving our 7-year-old daughter home alone. Will she be okay while we're gone? She doesn't have a cell phone. Julie Hollahan, Self Employed • Answered October 15, 2023 You can't be serious. Why can't you take her with you? With no cell phone? How is she supposed to call for help? She's going to fail before you even leave. Did you leave he... Read more » 22 3   My husband was just served divorce papers and he wants me to sign them so he doesn't have to go to court. Should I sign them even though I don't want a divorce? Phillip, lives in Northern Maine (2015-present) • Answered November 19 Absolutely not. People who say, "Here, just sign this," generally are trying to pull a fast one on you. He could have hidden assets, hidden debt, omitted retirement accounts... Read more » 2.6K 116   As a schizophrenic, when did you realize you were ill? MinJee Lee • Answered August 8, 2018 It took me a long time to realize that I am ill. I was a very delusional child, up until I was almost done with high school. It didn't start with paranoid delusions and gra... Read more » 945 153   If f (x+1/x) = (x+1/x) ² then what is f(x) =? David Joyce, Ph.D. Mathematics, University of Pennsylvania (1979) • Answered October 15, 2023 Consider the graph of the function [math]x+1/x.[/math] Note that the range of that function excludes numbers between [math]-2[/math] and [math]2,[/math] so the given equation says nothing about them. [math]f[/math] can be whatever ... Read more » 114 9   If a person dies do they see us in the spiritul realm before they cross over? M Byerly, Writer, teacher, and research nerd • Answered May 8, 2023 I visited a relative in hospice care. She was in her final days. I told her not to worry because her mom and dad and my mom would arrive to help her cross over. She told me... Read more » 13.5K 1.5K Read more in your feed

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