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 one year ago
Hello, in applications of differenciation problem 2B1. I think there is a mistake with problem 2B1b. graph y=x^44x+1... in the solutions the derivative is wrong; so is the rest of that solution.
(The derivative should be 4x^3  4... The factor "4" is missing in the solution.)
 one year ago
Hello, in applications of differenciation problem 2B1. I think there is a mistake with problem 2B1b. graph y=x^44x+1... in the solutions the derivative is wrong; so is the rest of that solution. (The derivative should be 4x^3  4... The factor "4" is missing in the solution.)

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felixgraphx
 one year ago
Best ResponseYou've already chosen the best response.0Found someone else had also spotted that! So yeah the answer key has some mistakes :)
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