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2000 P1 Q4

trentis

Posted 17 May 2006 - 11:23 AM

hey im a bit stuck with question 4
could you help

thanks
trentis

Rashail

Posted 17 May 2006 - 11:52 AM

Paper 1 or 2?

trentis

Posted 17 May 2006 - 11:54 AM

paper 1

Rashail

Posted 17 May 2006 - 12:18 PM

y=5x^2 - 15x -8?

that one?

ok you differentiate both equations to find the gradients
then set the differentiated forms equal to each other and solve for x
Then substitute the values you get for x into the original 2 equations



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