mr.luna
is this double chain rule? e^(xsin2x)



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MathMind
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yes

MathMind
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double chain rule with a product rule

mr.luna
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which rule do i use? a^x'=a^xlna or e^u=e^udu/dx

MathMind
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e^u=e^udu/dx

MathMind
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[ e^u ] du
u = xsin2x

mr.luna
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i get for du/dx x*cos2x*2+sin2x

mr.luna
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is that right?

MathMind
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yup

mr.luna
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cool beans