### Related

##### define-diff-solve

x<=350;

K(x):=0.0003*x^3-0.05...

define(K1(x),diff(K(x...

Calculate

##### define-diff-solve

define(f1(x),diff(x^3...

solve(f1(x)=0);

Calculate

##### define-diff-solve

define(f(x),1/3*x^3-5...

define(g(x),diff(f(x)...

define(h(x),diff(f(x)...

Calculate

##### define-diff-solve

f(x) := x^3 - x^2 + 5;

define(Df(x), diff(f(...

Df(5);

Calculate

##### define-diff-solve

f(x):=a*x^2+b*x+c;

define(fd(x),diff(f(x...

eq:[f(9/4)=1,fd(9/4)=...

Calculate

##### define-diff-solve

A( r ) := 2 * %pi * r...

define( A1( r ), diff...

define( A2( r ), diff...

Calculate

##### define-diff-solve

f(x):=a*x^2+b*x+c;

c:2;

define(fd(x),diff(f(x...

Calculate

##### define-diff-solve

define(f(x),4*x^3-100...

diff(f(x),x);

solve(diff(f(x),x)=0,x);

Calculate

##### define-diff-solve-sqrt

diff(x^2,x);

define(f(x),x^2-1/3*(...

define(g(x), diff(f(x...

Calculate

##### define-diff-solve

f(x):=a*%e^(-x);

define(fd(x),diff(f(x...

eq:[f(9/4)=1];

Calculate

### [define,diff,solve]

Run Example
```(%i1)define(f(x),1/6*x^3-5/4*x^2+3*x+18);
3      2
x    5 x
(%o1)                    f(x) := -- - ---- + 3 x + 18
6     4
(%i2) define(g(x),diff(f(x),x,2));
5
(%o2)                            g(x) := x - -
2
(%i3) define(h(x),diff(f(x),x,1));
2
x    5 x
(%o3)                        h(x) := -- - --- + 3
2     2
(%i4) solve(h(x)=0,x);
(%o4)                           [x = 3, x = 2]
(%i5) ```
Run Example
```define(f(x),1/3*x^3-5/4*d^2+3*d+18);
3      2
x    5 d
(%o1)                    f(x) := -- - ---- + 3 d + 18
3     4
(%i2) define(g(x),diff(f(x),x,2));
(%o2)                             g(x) := 2 x
(%i3) define(h(x),diff(f(x),x,1));
2
(%o3)                             h(x) := x
(%i4) solve(h(x)=0,x);
(%o4)                               [x = 0]
(%i5) ```
Run Example
```define (f(x), 4*x^3-100*x^2+625*x);
3        2
(%o1)                    f(x) := 4 x  - 100 x  + 625 x
(%i2) diff(f(x),x);
2
(%o2)                         12 x  - 200 x + 625
(%i3) solve((diff(f(x),x)=0,x));
(%o3)                               [x = 0]
(%i4) ```

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