APFIVE Definite Integral with U-Substitution
$$\displaystyle\int_0^1 \frac{2x}{x^2 + 1}\,dx = $$
A
$$1$$
B
$$\ln(2)$$
C
$$\displaystyle\frac{\pi}{4}$$
D
$$\displaystyle\frac{1}{2}$$
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$$\displaystyle\int_0^1 \frac{2x}{x^2 + 1}\,dx = $$
$$1$$
$$\ln(2)$$
$$\displaystyle\frac{\pi}{4}$$
$$\displaystyle\frac{1}{2}$$
Not enough data yet to show leaderboard.