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Chain Rule...Part 1

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shark
 
Reply Fri 29 Sep, 2006 04:42 pm
Evaluate the following derivatives using the chain rule:

1. (d/dx) (5sin(x^2+1))

2. (d/dx)(sqrt{9x^2+4})
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Brandon9000
 
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Reply Fri 29 Sep, 2006 09:47 pm
Re: Chain Rule...Part 1
shark wrote:
Evaluate the following derivatives using the chain rule:

1. (d/dx) (5sin(x^2+1))

5cos(x^2 + 1)(2x)

= 10xcos(x^2 + 1)
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Brandon9000
 
  1  
Reply Fri 29 Sep, 2006 09:51 pm
Re: Chain Rule...Part 1
shark wrote:
Evaluate the following derivatives using the chain rule:

2. (d/dx)(sqrt{9x^2+4})


(1/2)(9x^2 + 4) ^ -(1/2) x 18x = 9x(9x^2 + 4) ^ - (1/2)
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