math in hl HELP

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math in hl HELP

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astarmathsandphysics

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Free the exam papers!

Re: math in hl HELP

« Reply #45 on: April 21, 2010, 12:37:13 pm »

On this page

https://studentforums.biz/index.php/topic,4338.15.html

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IGSTUDENT

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Re: math in hl HELP

« Reply #46 on: April 21, 2010, 05:18:38 pm »

thanks!

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IGSTUDENT

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Re: math in hl HELP

« Reply #47 on: April 30, 2010, 01:51:06 pm »

Stuck on a question:
Nov2007 p1 hl maths question 13 b

solve :
(x*e^x)/((x^2)-1)>/=1
>/= greater than or equal to...

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astarmathsandphysics

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Free the exam papers!

Re: math in hl HELP

« Reply #48 on: April 30, 2010, 11:42:57 pm »

For the Ib I think you sketch the graph on the calculatro and read off the solutions

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IGSTUDENT

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Re: math in hl HELP

« Reply #49 on: May 01, 2010, 01:43:14 am »

thanks,
i was a bit confused because it was paper1 and thought we couldnt use a calculator but realised we could use one before 08 papers1

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