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	Science Forum Forum Index » Mathematics » Help with a differentiation question  Help with a differentiation question « View previous topic :: View next topic »  Author Message arkofnoah Posted: Thu Jun 19, 2008 4:29 am    Post subject: Help with a differentiation question Forum Freshman Joined: 15 Jun 2008 Posts: 88 Hey guys, I have a little problem with an calculus question here: Q: The gradient of the normal of a curve is given as (x-1)/(y-1). Find the equation of the curve if it passes through the point (2,2). Now I know that the gradient of the curve is -(y-1)/(x-2), but how do I integrate this since it involve 2 variables? I'm thinking that this question might be a pure differentiation question in which I just need to manipulate the variable to make y the subject. But how? _________________ ₪ [size=75]Blog[/size] ₪ Back to top JaneBennet Posted: Thu Jun 19, 2008 6:57 am    Post subject: Forum Ph.D. Joined: 06 Apr 2008 Posts: 801 Separate the variables and integrate.                        _________________   A problem worthy of attack Proves its worth by fighting back. (Piet Hein) Did You Know? Fact of the day: Old English Back to top arkofnoah Posted: Thu Jun 19, 2008 8:28 am    Post subject: Forum Freshman Joined: 15 Jun 2008 Posts: 88 Oh!! It didn't occur to me to split it at that point in time. Well thank you _________________ ₪ [size=75]Blog[/size] ₪ Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First     Page 1 of 1 Science Forum Forum Index » Mathematics » Help with a differentiation question Jump to: Select a forum Natural Sciences----------------Astronomy & CosmologyBiologyChemistryEarth SciencesMathematicsPhysics People----------------Behavioral & Social SciencesHealth & MedicinePhilosophical DiscussionHistoryReligionPoliticsCriminology and Forensic Science General Technology----------------Computer ScienceElectronicsMilitary Technology Information Technology----------------Business & EconomicsEducationEngineering & Transportation International Issues----------------Environmental IssuesIn the News The Science Forum----------------General DiscussionIntroductionsScience-Fiction and Non-FictionExperimentationPseudoscienceLinksArt and Culture Site Administration----------------Site FeedbackTrash Can  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum
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