### Related

##### rational-sqrt

a = 1 / (2 * sqrt(2) ...

simplify_rational(a);

Calculate

##### rational-solve

f(t):=2^(t/240);

eq1:f(t)=12;

rational(solve(eq1,t));

Calculate

##### rational-sqrt

a = 30/(3*sqrt(5) - 5...

a.simplify_rational();

Calculate

? rational;

Calculate

##### rational-sqrt-true

a = 1 / (2 * sqrt(2) ...

alebraic:true;

simplify_rational(a);

Calculate

##### rational-sqrt

rational(2*sqrt(x)-sq...

Calculate

? rational;

Calculate

##### rational-sqrt-true

a = 1 / (2 * sqrt(2) ...

alebraic:true;

simplify_rational(a);

Calculate

##### rational-sqrt

a = 30/(3*sqrt(5) - 5...

a.simplify_rational();

Calculate

##### rational-sqrt

a = 1 / (2 * sqrt(2) ...

simplify_rational(a);

Calculate

### rational

Run Example
```(%i1)a = 1 / (2 * sqrt(2) + 3);
1
(%o1)                            a = --------
3/2
2    + 3
(%i2) alebraic:true;
(%o2)                                true
(%i3) simplify_rational(a);
(%o3)                        simplify_rational(a)
(%i4) ```
Run Example
```rational(2*sqrt(x)-sqrt(y));
(%o1)                    rational(2 sqrt(x) - sqrt(y))
(%i2) ```
Run Example
```f(t):=2^(t/240);
t/240
(%o1)                           f(t) := 2
(%i2) eq1:f(t)=12;
t/240
(%o2)                             2      = 12
(%i3) rational(solve(eq1,t));
240 log(12)
(%o3)                     rational([t = -----------])
log(2)
(%i4) ```

### Related Help

Help for Rational