Differentiate and hence evaulate I'm not sure if the number in front of the x in the square root is a 10 or a 30.
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Hello, nerdzor! Have you done anything yet? Differentiate . and hence evaulate: . We have: . Differentiate: . . . Get it? The derivative of is: . So the integral of is: . Hence: . . . . . . .
Originally Posted by nerdzor Differentiate and hence evaulate I'm not sure if the number in front of the x in the square root is a 10 or a 30. It's a . I know because here's the answer to the first part. You then use this to find the integral. Can you complete the second part now? Grandad PS Beaten by Soroban again - by seconds!
Last edited by Grandad; May 12th 2009 at 06:04 AM. Reason: Add PS
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