Primitive function

9000065901

Level: 
B
Evaluate the following integral on the interval \((-1;+\infty)\). \[ \int \frac{1} {x + 1}\, \text{d}x \]
\(\ln |x + 1| + c,\ c\in \mathbb{R}\)
\(\ln |x| + c,\ c\in \mathbb{R}\)
\(\frac{1} {x} + c,\ c\in \mathbb{R}\)
\(-\frac{1} {2}(x + 1)^{-2} + c,\ c\in \mathbb{R}\)

9000066007

Level: 
C
Evaluate the following integral on the interval \((0;+\infty)\). \[ \int x^{2}\ln x\, \mathrm{d}x \]
\(\frac{1} {3}x^{3}\ln x -\frac{1} {9}x^{3} + c,\ c\in \mathbb{R}\)
\(\frac{1} {2}x^{2}\ln x -\frac{1} {4}x^{2} + c,\ c\in \mathbb{R}\)
\(x\ln x -\frac{1} {2}x^{2} + c,\ c\in \mathbb{R}\)
\(x\ln x - x + c,\ c\in \mathbb{R}\)

9000065902

Level: 
A
Evaluate the following integral on the interval \((0;+\infty)\). \[ \int \left (2 + \frac{1} {x}\right )\, \text{d}x \]
\(2x +\ln |x| + c,\ c\in \mathbb{R}\)
\(\ln |x| + c,\ c\in \mathbb{R}\)
\(2 +\ln |x| + c,\ c\in \mathbb{R}\)
\(2x^{2} +\ln |x| + c,\ c\in \mathbb{R}\)

9000065904

Level: 
B
Evaluate the following integral on the interval \((0;+\infty)\). \[ \int \frac{x^{3} + 2x} {x^{2}} \, \text{d}x \]
\(\frac{1} {2}x^{2} + 2\ln |x| + c,\ c\in \mathbb{R}\)
\(x +\ln |x| + c,\ c\in \mathbb{R}\)
\(\frac{1} {4}x^{4} + 4x^{2} +\ln |x^{2}| + c,\ c\in \mathbb{R}\)
\(2x^{2} + 2 +\ln |x^{2}| + c,\ c\in \mathbb{R}\)

9000065903

Level: 
B
Evaluate the following integral on the interval \((-6;+\infty)\). \[ \int \frac{1} {6x + 36}\, \text{d}x \]
\(\frac{1} {6}\ln |x + 6| + c,\ c\in \mathbb{R}\)
\(-\frac{1} {2}(6x + 36)^{-2} + c,\ c\in \mathbb{R}\)
\(6\ln |x + 6| + c,\ c\in \mathbb{R}\)
\(12x^{2} + 36x + c,\ c\in \mathbb{R}\)

9000065501

Level: 
A
Evaluate the following integral on \(\mathbb{R}\). \[ \int (x^{3} + x^{2} - 2x)\, \mathrm{d}x \]
\(\frac{1} {4}x^{4} + \frac{1} {3}x^{3} - x^{2} + c,\ c\in \mathbb{R}\)
\(\frac{1} {4}x^{4} -\frac{1} {3}x^{3} + x^{2} + c,\ c\in \mathbb{R}\)
\(3x^{2} + 2x - 2 + c,\ c\in \mathbb{R}\)
\(3x^{2} - 2x + 2 + c,\ c\in \mathbb{R}\)

9000065503

Level: 
A
Evaluate the following integral on the interval \((0;+\infty)\). \[ \int (4x^{-3} - x^{-4})\, \mathrm{d}x \]
\(- 2x^{-2} + \frac{1} {3}x^{-3} + c,\ c\in \mathbb{R}\)
\(-\frac{4} {3}x^{-2} -\frac{1} {3}x^{-3} + c,\ c\in \mathbb{R}\)
\(-\frac{3} {4}x^{-4} -\frac{1} {5}x^{-5} + c,\ c\in \mathbb{R}\)
\(- 12x^{2} + 4x^{-3} + c,\ c\in \mathbb{R}\)

9000065504

Level: 
B
Evaluate the following integral on the interval \((0;+\infty)\). \[ \int (1 -\sqrt{x})(1 + \sqrt{x})\, \mathrm{d}x \]
\(x -\frac{1} {2}x^{2} + c,\ c\in \mathbb{R}\)
\((x -\frac{1} {2}x^{2})(x + \frac{1} {2}x^{2}) + c,\ c\in \mathbb{R}\)
\(x -\frac{1} {2}x^{\frac{1} {2} } + c,\ c\in \mathbb{R}\)
\((x -\frac{1} {2}x^{-\frac{1} {2} })(x + \frac{1} {2}x^{-\frac{1} {2} }) + c,\ c\in \mathbb{R}\)