Final answer to the problem
$\frac{1}{- 2}- \frac{1}{- 1}$
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Step-by-step Solution
How should I solve this problem?
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- Weierstrass Substitution
- Produit de binômes avec terme commun
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1
Apply the formula: $\frac{a}{x^b}$$=ax^{-b}$, where $a=1$ and $b=2$
$\int_{1}^{2} x^{-2}dx$
Learn how to solve intégrales définies problems step by step online.
$\int_{1}^{2} x^{-2}dx$
Learn how to solve intégrales définies problems step by step online. int(1/(x^2))dx&1&2. Apply the formula: \frac{a}{x^b}=ax^{-b}, where a=1 and b=2. Apply the formula: \int x^ndx=\frac{x^{\left(n+1\right)}}{n+1}+C, where n=-2. Simplify the expression. Apply the formula: \left[x\right]_{a}^{b}=eval\left(x,b\right)-eval\left(x,a\right)+C, where a=1, b=2 and x=\frac{1}{-x}.
Final answer to the problem
$\frac{1}{- 2}- \frac{1}{- 1}$
Exact Numeric Answer
$0.5$
