Evaluate ∫12dxx2+x\int_1^2 \frac{dx}{x^2+x}∫12x2+xdx.
ln(4/3)\ln(4/3)ln(4/3)
ln(3/2)\ln(3/2)ln(3/2)
ln(2)\ln(2)ln(2)
1/21/21/2