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![[Post New]](/templates/default/images/icon_minipost_new.gif) 14 Mar 2008 18:19:16 IST
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I would like to know d proper steps to verify Rolle's theorem for example plz xplain 4 :- f(x) = x^2 +2x -8 , x  [-4,2]
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14 Mar 2008 18:21:54 IST
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first of all u have to start with the conditions of rolles theorum...........mention all the the 3 points serially .....i hope u know the 3 points of rolles theorum..........be careful that the function must written as to be differentialble in open interval (a,b)...........then find f'x.......now equate it to zero.............u will get 2 valuse.....be extremely care ful that both the points lie in the open interval..........
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14 Mar 2008 18:32:15 IST
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did u get it
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14 Mar 2008 18:37:47 IST
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we will need to prove it continuous and diff ????????
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14 Mar 2008 18:39:24 IST
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yup....but that comes in the 3 points which i told.......in the case of ur ques,the function is cont coz its a polynomial function.....and for differ. u just find its derivative....thats sufficint
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14 Mar 2008 18:40:04 IST
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ok thanks............
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