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![[Post New]](/templates/default/images/icon_minipost_new.gif) 20 Apr 2008 21:00:27 IST
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Let f(x) be a function satisfying f'(x) =f(x) and f(0) =2. then f(x)dx/(3+4f(x) ) i A) 1/4log (3+8ex ) +c b) 1/8log (3+8ex ) +c c)1/2log (3+8ex ) +c d) none of these
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SHREYA |
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 20 Apr 2008 21:02:19 IST
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i think it is obvious tht f(x)=2(e)^x
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Nitwit Blubber Odment Tweak
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 20 Apr 2008 21:05:43 IST
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yeah ,,,, the function is obviously 2e^x .....
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 20 Apr 2008 21:08:59 IST
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and forgot to say ........the answer is option A
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 20 Apr 2008 23:49:51 IST
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You cant say the function is 2ex directly.It can be ex+1 also.The function can be obtained only by solving the integral.
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MaNuTd RoXxXx..MaNuTd 2 WiN PrEmIeR LeAgUe ThIs SeAsOn ToO AlOnG WiTh ChAmPiOnS LeAgUe.....HaiL RoNaLdO ...HaiL LaMpArD... |
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 21 Apr 2008 02:03:23 IST
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no lampard..... then it wont satisfy f'(x) = f(x)
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* Gaurav Ragtah ( aka Artemis Fowl )
* Agent 'G' [sniper] - SD-6 (Alliance of Twelve)
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