l don't understand the d/dx in front of the integral... = arctan 0 - arctan x = -arctanx could this be right?
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Originally Posted by algebra2 l don't understand the d/dx in front of the integral... = arctan 0 - arctan x = -arctanx could this be right? You need to use the fundemental theorem of calculus
there was no reason to integrate and then differentiate, but you made mistakes in your integration.... Originally Posted by algebra2 l don't understand the d/dx in front of the integral... = = = is right.... .....NOW, but is unnecessary.
Last edited by matheagle; May 21st 2009 at 08:15 AM.
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