F(x)=3x^4+2/x^3 !!!!

Question

F(x)=3x^4+2/x^3 !!!!

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Answer 1

f⁾(x)=(3x⁴ +  2/x³)⁾=3*4x⁴⁻¹ + (0*x³- 2*3x³⁻¹)/ (x³)²= 12x³ - 6x²/x⁶ = 12x³ - 6/x⁴