Primitive function

9000066008

Level: 
B
Evaluate the following integral on \(\mathbb{R}\). \[ \int x\mathrm{e}^{x}\, \mathrm{d}x \]
\(x\mathrm{e}^{x} -\mathrm{e}^{x} + c,\ c\in \mathbb{R}\)
\(x^{2}\mathrm{e}^{x} - 2x\mathrm{e}^{x} + 2\mathrm{e}^{x} + c,\ c\in \mathbb{R}\)
\(2x^{3}\mathrm{e}^{x} - x\mathrm{e}^{x} + c,\ c\in \mathbb{R}\)
\(\frac{1} {2}x^{2}\mathrm{e}^{x} + c,\ c\in \mathbb{R}\)

9000071202

Level: 
B
Evaluate the following integral on the interval \((0;+\infty)\). \[ \int \frac{11\sqrt{x^{3}} - 2} {\root{3}\of{x^{2}}} \, \mathrm{d}x \]
\(6(x\root{6}\of{x^{5}} -\root{3}\of{x}) + c,\ c\in \mathbb{R}\)
\(\frac{\frac{22} {5} \sqrt{x^{5}}-2x} {\frac{3} {5} \root{3}\of{x^{5}}} + c,\ c\in \mathbb{R}\)
\(\frac{121} {6} \root{6}\of{x^{11}} -\frac{2} {3}\root{3}\of{x} + c,\ c\in \mathbb{R}\)

9000071203

Level: 
B
Evaluate the following integral on the interval \((0;\frac{\pi}2)\). \[ \int \frac{\cos 2x} {\sin ^{2}x}\, \mathrm{d}x \]
\(- 2x -\mathop{\mathrm{cotg}}\nolimits x + c,\ c\in \mathbb{R}\)
\(\frac{\sin 2x} {-\frac{1} {3} \cos ^{3}x} + c,\ c\in \mathbb{R}\)
\(\mathop{\mathrm{tg}}\nolimits x - 2x + c,\ c\in \mathbb{R}\)

9000071207

Level: 
B
Evaluate the following integral on the interval \(\left(\sqrt{\frac43};+\infty\right)\). \[ \int \frac{6x} {(3x^{2} - 4)^{2}}\, \mathrm{d}x \]
\(\frac{1} {4-3x^{2}} + c,\ c\in \mathbb{R}\)
\(\frac{3x^{2}} {x^{3}-12x^{2}+16x} + c,\ c\in \mathbb{R}\)
\(\frac{1} {(3x^{2}-4)^{2}} + c,\ c\in \mathbb{R}\)

9000150106

Level: 
B
Evaluate the following integral on the interval \(\left(\frac25;+\infty\right)\). \[ \int \frac{7} {2 - 5x}\, \mathrm{d}x \]
\(-\frac{7} {5}\ln |2 - 5x| + c,\ c\in \mathbb{R}\)
\(- \frac{7} {5\cdot \ln |2-5x|} + c,\ c\in \mathbb{R}\)
\(\frac{7} {5}\ln |2 - 5x| + c,\ c\in \mathbb{R}\)
\(\frac{7} {5\cdot \ln |2-5x|} + c,\ c\in \mathbb{R}\)

9000150107

Level: 
B
Evaluate the following integral on the interval \((3;+\infty)\). \[ \int \frac{x^{3} - 27} {x - 3} \, \mathrm{d}x \]
\(\frac{x^{3}} {3} + \frac{3x^{2}} {2} + 9x + c,\ c\in \mathbb{R}\)
\(\frac{x^{3}} {3} -\frac{3x^{2}} {2} + 9x + c,\ c\in \mathbb{R}\)
\(\frac{x^{3}} {3} -\frac{3x^{2}} {2} - 9x + c,\ c\in \mathbb{R}\)
\(\frac{x^{3}} {3} + \frac{3x^{2}} {2} - 9x + c,\ c\in \mathbb{R}\)