Integral de (x^2)/((a-x^2)^(1/2)) dx
Solución
Respuesta (Indefinida)
[src]
// _________ \
|| / x \ / 2 |
|| I*a*acosh|-----| ___ / x |
|| | ___| I*x*\/ a * / -1 + -- | 2| |
|| \\/ a / \/ a |x | |
/ || - ---------------- - ------------------------ for |--| > 1|
| || 2 2 |a | |
| 2 || |
| x || / x \ |
| ----------- dx = C + |
∫a−x2x2dx=C+⎩⎨⎧−2iax−1+ax2−2iaacosh(ax)−21−ax2ax+2aasin(ax)+2a1−ax2x3forax2>1otherwise
1
/
|
| / _________
| | / 2
| | ___ / x
| | I*\/ a * / -1 + -- ___ 2 2
| | \/ a I*\/ a I*x x
| |- ---------------------- - ---------------- - ---------------------- for --- > 1
| | 2 _________ _________ |a|
| | / 2 / 2
| | / x ___ / x
| | 2* / -1 + -- 2*\/ a * / -1 + --
| < \/ a \/ a dx
| |
| | 4 2 2
| | x x 3*x
| | ------------------ - ------------------- + --------------------- otherwise
| | 3/2 3/2 ________
| | / 2\ / 2\ / 2
| | 3/2 | x | ___ | x | ___ / x
| | 2*a *|1 - --| 2*\/ a *|1 - --| 2*\/ a * / 1 - --
| | \ a / \ a / \/ a
| \
|
/
0
0∫1⎩⎨⎧−2ia−1+ax2−2−1+ax2ia−2a−1+ax2ix22a1−ax23x2−2a(1−ax2)23x2+2a23(1−ax2)23x4for∣a∣x2>1otherwisedx
=
1
/
|
| / _________
| | / 2
| | ___ / x
| | I*\/ a * / -1 + -- ___ 2 2
| | \/ a I*\/ a I*x x
| |- ---------------------- - ---------------- - ---------------------- for --- > 1
| | 2 _________ _________ |a|
| | / 2 / 2
| | / x ___ / x
| | 2* / -1 + -- 2*\/ a * / -1 + --
| < \/ a \/ a dx
| |
| | 4 2 2
| | x x 3*x
| | ------------------ - ------------------- + --------------------- otherwise
| | 3/2 3/2 ________
| | / 2\ / 2\ / 2
| | 3/2 | x | ___ | x | ___ / x
| | 2*a *|1 - --| 2*\/ a *|1 - --| 2*\/ a * / 1 - --
| | \ a / \ a / \/ a
| \
|
/
0
0∫1⎩⎨⎧−2ia−1+ax2−2−1+ax2ia−2a−1+ax2ix22a1−ax23x2−2a(1−ax2)23x2+2a23(1−ax2)23x4for∣a∣x2>1otherwisedx
Integral(Piecewise((-i*sqrt(a)*sqrt(-1 + x^2/a)/2 - i*sqrt(a)/(2*sqrt(-1 + x^2/a)) - i*x^2/(2*sqrt(a)*sqrt(-1 + x^2/a)), x^2/|a| > 1), (x^4/(2*a^(3/2)*(1 - x^2/a)^(3/2)) - x^2/(2*sqrt(a)*(1 - x^2/a)^(3/2)) + 3*x^2/(2*sqrt(a)*sqrt(1 - x^2/a)), True)), (x, 0, 1))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.