(a) = 4.8x^0.2 4.8/x^2.2 + 1/(2x²)

(b) = [4(x1)(x+e^2x) (2x²4x)(1+2e^2x)] / (x+e^2x)²

(c) = 2(2xln x)³(21/x)

(d) = (2 2x) e^{2x x2}

(e) = 4e^2x(x² x 1)

(f) = 2[(2x1)/e^x] ^{- 3}(3 2x)/e^x

(g) = 2(1 x) / (2x x²)