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November 01, 2025, 07:51:11 pm
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Author Topic: Implicit Differentiation  (Read 1169 times)  Share 

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nerd

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Implicit Differentiation
« on: April 06, 2009, 12:56:29 pm »
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I'm having problems with Question 11 in Exercise 6I of Essential Maths. Any advice?
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dekoyl

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Re: Implicit Differentiation
« Reply #1 on: April 06, 2009, 01:12:47 pm »
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Which part? a,b,c or d?

If (b) (when parallel to the y-axis), must be undefined

Then sub x into
« Last Edit: April 06, 2009, 01:16:09 pm by dekoyl »
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nerd

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Re: Implicit Differentiation
« Reply #2 on: April 06, 2009, 02:11:35 pm »
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Thanks dekoyl...thats exactly what i wantd to know!
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nerd

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Re: Implicit Differentiation
« Reply #3 on: April 06, 2009, 05:20:09 pm »
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Also, any help with Question 13(f) in the same exercise?
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pHysiX

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Re: Implicit Differentiation
« Reply #4 on: April 06, 2009, 06:35:19 pm »
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for that one, derive the first part again, i.e. d^2y/dx^2 and so for x that makes d^2y/dx^2=0 =]
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