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March 02, 2026, 03:30:57 pm
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Author Topic: Find the derivative ........  (Read 569 times)  Share 

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Homer J

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Find the derivative ........
« on: April 11, 2011, 03:35:30 pm »
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Can someone please help me work out the derivative without CAS thanks !


(2x^2 - 3)
__________
(1-3x^2)^1/2
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TrueTears

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Re: Find the derivative ........
« Reply #1 on: April 11, 2011, 03:45:42 pm »
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Apply the quotient rule :)
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Homer J

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Re: Find the derivative ........
« Reply #2 on: April 11, 2011, 03:49:04 pm »
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yea i tried quotient and product but i ended up getting some crazy answers :-[
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onur369

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Re: Find the derivative ........
« Reply #3 on: April 11, 2011, 03:55:40 pm »
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Quote from: Homer J on April 11, 2011, 03:49:04 pm
yea i tried quotient and product but i ended up getting some crazy answers :-[

What you did was probably correct but not to a simplified extent
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2011:
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English 35, Further 45+, Methods 35, Physics 32, Turkish 33, Legal 28.

gossamer

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Re: Find the derivative ........
« Reply #4 on: April 11, 2011, 04:03:51 pm »
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The answer I ended up getting was

(-5x - 6x^3) / (1 - 3x^2)^(3/2)

But yeah, you use the quotient rule, and after that, I took factors out and just simplified it :)
« Last Edit: April 11, 2011, 04:18:21 pm by gossamer »
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