GustX
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Homework Statement
Find the derivative of the function
<br /> y = (3-2x^3+x^6 )/x^9<br />
Homework Equations
Derivatives
The Attempt at a Solution
I have tried to use the quotient rule
and got to
<br /> -6x^11 + 6x^14 - 27x^8 + 18x ^24 - 9x ^14 / (x^9)^2 <br />
Which doesn't look close to the answer
<br /> -27/x^10 + 12/x^7 - 3 / x^4<br />