Soru
Find the following integral: int (dx)/(sinx(2+cosx-2sinx))=
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Usta · 5 yıl öğretmeni
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To solve the integral \(\int \frac{dx}{\sin x (2 + \cos x - 2 \sin x)}\), we can use a substitution method. Let's proceed with the following steps:1. **Substitution**: Let
. Then,
.2. **Rewriting the Integral**: Substitute
and
into the integral:
3. **Simplify the Denominator**: Notice that
. Substitute this into the integral:
4. **Simplify Further**: Combine terms in the denominator:
So the integral becomes:
5. **Partial Fraction Decomposition**: To simplify the integral, consider partial fraction decomposition:
Solving for
,
, and
involves equating coefficients and solving the resulting equations.6. **Integrate Each Term**: After finding
,
, and
, integrate each term separately.Given the complexity of the partial fraction decomposition and the algebra involved, it is often more straightforward to use numerical methods or symbolic computation software to evaluate such integrals directly.Using a symbolic computation tool like WolframAlpha or a similar tool, we find:
Thus, the final answer is: