How do I find the derivative of f(x) = (x³ + 3x + 2) / (x² + 1)?

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A few days ago

sean

Favorite Answer

hahaha i am doing this in AP Calc now…

(vu1 – uv1)/v^2

u= x^3 + 3x +2

u1=2x^3 + 3

v= x^2 +1

v1=2x

((x^2+1)(2x^3+3) – (x^3+3x+2)(2x))/(x^2+1)^2)

if you have a ti 89, push 2nd 8 (derivative of) above…then comma X (the variable your finding) close parenthesis

it should crank out the answers, and the work is all up there, or you can just use the calculator to factor that, either way works i think i got it right…hope it helps

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How do I find the derivative of f(x) = (x³ + 3x + 2) / (x² + 1)?

How do I find the derivative of f(x) = (x³ + 3x + 2) / (x² + 1)?

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