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  • 3 years ago

Hello, in applications of differenciation problem 2B-1. I think there is a mistake with problem 2B-1b. graph y=x^4-4x+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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  1. felixgraphx
    • 3 years ago
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    Found someone else had also spotted that! So yeah the answer key has some mistakes :)

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