### Related

##### integrate

integrate((2*x)-3,x,-...

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##### integrate

integrate((P*r/4/u/L*...

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##### integrate

integrate(((x+2)/(2+2...

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##### ratsimp

ratsimp((a^4+5*a^3-6*...

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##### integrate

integrate(x-60+x*(i/1...

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##### ratsimp

ratsimp((x-mu)**2 + (...

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##### integrate

p(x):=x/(x^(2)+1);

q(x):=''(integrate(p(...

integrate((x-3)*(x-1)...

Calculate

##### ratsimp-solve-subst

wyr: (a*(a-d)/(2*c)+b...

solve([(a*z+b)/(c*z+d...

eq2: d=2-a;

Calculate

Calculate

##### ratsimp-solve

in: out/G;

a : in - out;

b : a*K1 + a*K2/s + a...

Calculate

Run Example
```(%i1)A: integrate(x/(e^x),x);
- log(e) x
(log(e) x + 1) %e
(%o1)                    - ---------------------------
2
log (e)
(%i2) ratsimp(A);
- log(e) x
(log(e) x + 1) %e
(%o2)                    - ---------------------------
2
log (e)
log(e) x + 1
(%o3)                           - ------------
x    2
e  log (e)
(%i4) trigsimp(A);
- log(e) x
(log(e) x + 1) %e
(%o4)                    - ---------------------------
2
log (e)
(%i5) ```
Run Example
```A: integrate(1/(x*(x+1)^2),x);
1
(%o1)                    - log(x + 1) + log(x) + -----
x + 1
(%i2) ratsimp(A);
(x + 1) log(x + 1) + (- x - 1) log(x) - 1
(%o2)             - -----------------------------------------
x + 1
(x + 1) log(x + 1) + (- x - 1) log(x) - 1
(%o3)             - -----------------------------------------
x + 1
(%i4) trigsimp(A);
(x + 1) log(x + 1) + (- x - 1) log(x) - 1
(%o4)             - -----------------------------------------
x + 1
(%i5) ```
Run Example
```A: integrate(1/((x^2-1)^2),x);
log(x + 1)   log(x - 1)      x
(%o1)                 ---------- - ---------- - --------
4            4           2
2 x  - 2
(%i2) ratsimp(A);
2                         2
(x  - 1) log(x + 1) + (1 - x ) log(x - 1) - 2 x
(%o2)           -----------------------------------------------
2
4 x  - 4
2                         2
(x  - 1) log(x + 1) + (1 - x ) log(x - 1) - 2 x
(%o3)           -----------------------------------------------
2
4 x  - 4
(%i4) trigsimp(A);
2                         2
(x  - 1) log(x + 1) + (1 - x ) log(x - 1) - 2 x
(%o4)           -----------------------------------------------
2
4 x  - 4
(%i5) ```

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