### Related

##### realpart-rectform

f(t) := 1/(1-e^(t*%i));

realpart(rectform(f(1...

Calculate

##### realpart-taylor

f:taylor((1+(b*y^2*x^...

g:realpart(f);

Calculate

z=(-6*%i+4)^3;

realpart(z);

Calculate

##### realpart

realpart((3^(3/2)/2)+...

Calculate

##### realpart-sqrt

expr:1/[1+sqrt(10)+sq...

realpart(expr);

Calculate

##### realpart

f(omega,R,C):=1/(1+%i...

realpart(f(omega,R,C));

Calculate

##### realpart

realpart (((3-(5*%i))...

Calculate

##### realpart

y=((w^2*C^2*R*U)/(w^2...

realpart(y);

Calculate

z=2+%i;

c=2+%i;

suma : z+x;

Calculate

##### realpart-sqrt

realpart([k * w * sqr...

Calculate

### realpart

Run Example
```(%i1)y=((w^2*C^2*R*U)/(w^2*C^2*R^2  - 3* %i* w* C* R - 1));
2  2
w  C  R U
(%o1)                    y = -------------------------
2  2  2
w  C  R  - 3 %i w C R - 1
(%i2) realpart(y);
(%o2)                                  y
(%i3) ```
Run Example
```y=((w^2*C^2*R*U)/(w^2*C^2*R^2  - 3* %i* w* C* R - 1));
2  2
w  C  R U
(%o1)                    y = -------------------------
2  2  2
w  C  R  - 3 %i w C R - 1
(%i2) realpart(%);
(%o2)             ```
Run Example
```a:2;
(%o1)                                  2
(%i2) b:0.45;
(%o2)                                0.45
(%i3) c:-0.3;
(%o3)                                - 0.3
(%i4) d:1.27;
(%o4)                                1.27
(%i5) f:0.25;
(%o5)                                0.25
(%i6) realpart(-(log(a*c)/(b+d)));
(%o6)                          0.29699164172441
(%i7) x0:realpart(log(a/c)/(d-b));
(%o7)                          2.313560957177904
(%i8) diff(1/x);
del(x)
(%o8)                              - ------
2
x
(%i9) a*exp(b*x0)+c*exp(d*x0);
(%o9)                       8.8817841970012523E-16
(%i10) realpart(1-(c/a)*exp(x0*(d+b)));
(%o10)                         9.022137130140543
(%i11) plot2d( [  log(x), -log(1-exp(x)), -log(1+(c/a)*exp(x*(d-b))), x*b-log(f/a),[parametric, realpart(x0), t, [t, -10, 10]]],[x,-5,5]);
plot```

### Related Help

Help for Realpart