Practice problem
Let I=∫0(2−1)/2dx(2x+1)x2+xI = \int_0^{(\sqrt{2} - 1)/2} \frac{dx}{(2x+1)\sqrt{x^2+x}}I=∫0(2−1)/2(2x+1)x2+xdx. Find π/I\pi/Iπ/I.
Source: HMMT February 2002
4
3
2
1
Type a concept, like “slope” or “photosynthesis”.