Question

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f(x)=3x³-4x²
f(x)=2sinx+x²
f(x)=sin3x- ½cos2x

Answer 1

$\frac{3}{4} x^4- \frac{4}{3} x^3 \\ \\ -2cosx+ \frac{x^3}{3} \\ \\ - \frac{cos3x}{3} - \frac{sin2x}{4}$