query: Solve $\int (x+2)/(x^2+2)dx$
positive_passages.docid: 154067
positive_passages.text: Not sure how to go about solving this integral
negative_passages.docid: 24589
negative_passages.text: Integral of $1/(x^2-1)^2$
negative_passages.docid: 132388
negative_passages.text: Calculate $I=\int_0^1\frac{\ln(1+x)}{1+x^2}\,dx$
negative_passages.docid: 83801
negative_passages.text: Finding $\int \frac {dx}{\sqrt {x^2 + 16}}$
negative_passages.docid: 64448
negative_passages.text: Find a quadratic equation with root $x_1^2$ and $x_2^2$
negative_passages.docid: 63194
negative_passages.text: Find all integer solutions to $x^2-2y^2=1$
negative_passages.docid: 4693
negative_passages.text: what is the$ \int \sin (x^2) \, dx$?
negative_passages.docid: 104583
negative_passages.text: Simplify $\int \frac{1}{\sqrt{2-x^2}}\, dx$
negative_passages.docid: 75562
negative_passages.text: How to integrate $\int x^2 \sin^2(x)dx$
negative_passages.docid: 88670
negative_passages.text: Evaluating $\int \frac{1}{{x^4+1}} dx$
negative_passages.docid: 6829
negative_passages.text: Reduction formula for integral $\int 1/(a^2+x^2)^n dx$
negative_passages.docid: 29680
negative_passages.text: How to determine $\int x^2 e^{-x^2}\mathrm dx$?
negative_passages.docid: 145403
negative_passages.text: Stuck in integration: $\int {\frac{dx}{( 1+\sqrt {x})\sqrt{(x-{x}^2)}}}$
negative_passages.docid: 150890
negative_passages.text: Evaluating $\int_{\mathbb{R}}\frac{\exp(-x^2)}{1+x^2}\,\mathrm{d}x$
negative_passages.docid: 31529
negative_passages.text: Integrating $\int^2_{-2}\frac{x^2}{1+5^x}$
negative_passages.docid: 146870
negative_passages.text: Integrals depending on a parameter: $\int_{0}^{\pi/2} \ln(a^2\sin^2{x} + \cos^2{x})dx $
negative_passages.docid: 137625
negative_passages.text: Need a hint to evaluate the indefinite integral $\int\frac{e^x(2-x^2)}{(1-x)\sqrt{1-x^2}}dx$?