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241.

$\int_{0}^{\frac{\sqrt{π}}{2}} 2 x^{3} \sin (x^{2}) dx$ is equal to

242.

$\int {(\sec (x))}^{m} (\tan^{3} (x) + \tan (x)) dx$ is equal to

243.

$\int \frac{1}{7} \sin (\frac{x}{7} + 10) dx$ is equal to

244.

$\int (\frac{x - a}{x} - \frac{x}{x + a}) dx$ is equal to

245.

$\int x^{4} e^{x^{5}} \cos (e^{x^{5}}) dx$ is equal to

246.

$\int \frac{1}{\sin (x) \cos (x)} dx$ is equal to

247.

$\int \frac{2 x + \sin (2 x)}{1 + \cos (2 x)} dx$ is equal to

248.

$\int \frac{1}{8 \sin^{2} (x) + 1} dx$ is equal to

249.

$\int_{0}^{\frac{π}{2}} \log (\frac{\cos (x)}{\sin (x)}) dx$ is equal to

250.

The value of $\int_{- 1}^{2} 4 x^{2} |x| d x$ is equal to