AP Calculus ABmediummcq1 ptWhich of the following equals ∫x2+1x2 dx\int \frac{x^2+1}{x^2}\,dx∫x2x2+1dx?A.x−1x+Cx-\frac{1}{x}+Cx−x1+CB.x+1x+Cx+\frac{1}{x}+Cx+x1+CC.1−1x2+C1-\frac{1}{x^2}+C1−x21+CD.x−1x2+Cx-\frac{1}{x^2}+Cx−x21+C