Second Derivative

  • Thread starter athamz
  • Start date
  • #1
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Second Derivative

Homework Statement



f(x) = sin (2x)^1/2 find the f"(x).


Homework Equations





The Attempt at a Solution



I dont know hw to do it...
 

Answers and Replies

  • #2
85
0


How about the chain rule?
 
  • #3
72
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Why not start by showing us what you do know?

At least pretend we have,
g(w) = w^(1/2).
How would you find the derivative?
The second derivative?

How have you been taught the chain rule? Can you show us a simpler example you've worked?

Also, read
https://www.physicsforums.com/showthread.php?t=414380
particularly the 2nd and 4th paragraphs underneath Homework Help.
 
Last edited:

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