Question

D/dx(1+x^4+x^6/x^2+x+1) A)2x+1 B)2x-1 C)2 D)0

Answer 1

\frac{d}{dx}\left(\frac{1+x^4+x^6}{x^2+x+1}\right)=\frac{4x^7+5x^6+8x^5+3x^4+4x^3-2x-1}{\left(x^2+x+1\right)^2}

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