Question:
Integrate the function: \(\frac {x^2}{1-x^6}\)
Integrate the function: \(\frac {x^2}{1-x^6}\)
Updated On: Oct 4, 2023
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Solution and Explanation
\(Let\ x^3 = t\)
\(∴ 3x^2 \ dx = dt\)
\(⇒ ∫\frac {x^2}{1-x^6} \ dx = \frac 13 ∫\frac {dt}{1-t^2}\)
\(=\frac 13[\frac 12\ log\ |\frac {1+t}{1-t}|]+C\)
\(=\frac 16\ log\ |\frac {1+x^3}{1-x^3}|+C\)
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There are many important integration formulas which are applied to integrate many other standard integrals. In this article, we will take a look at the integrals of these particular functions and see how they are used in several other standard integrals.
Integrals of Some Particular Functions:
- ∫1/(x2 – a2) dx = (1/2a) log|(x – a)/(x + a)| + C
- ∫1/(a2 – x2) dx = (1/2a) log|(a + x)/(a – x)| + C
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- ∫1/√(a2 – x2) dx = sin-1(x/a) + C
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These are tabulated below along with the meaning of each part.
