08-03-2017
Mathematics

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second derivative test for:
y= e^x (x^2 -7x +13)

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loken068 loken068

10-03-2017

First derivative is e^x(x^2-7x+13)+e^x(2x-7)
Which can be simplified to e^x(x^2-7x+13+2x-7)
Second derivative is e^x(x^2-5x+6)+e^x(2x-5)
Which then can be simplified to e^x(x^2-3x+1)

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