If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( f )
f = 0
f = 0
f = 0
f in (-oo:0) U (0:+oo)
17/41 = 34/f // - 34/f
17/41-(34/f) = 0
17/41-34*f^-1 = 0
-34*f^-1 = -17/41 // : -34
f^-1 = 1/82
-1 < 0
1/(f^1) = 1/82 // * f^1
1 = 1/82*f^1 // : 1/82
82 = f^1
f = 82
f = 82
| 9.3=11sqrth | | a-15=(-28) | | 4n+5=13 | | 4z=35-6z | | 1/6x-9=x-4 | | -3(4)+27/2=x | | 6=2/3x-10 | | 18x+6y=680 | | y=log(2x-9) | | y=X^4+7x^3-18x^2 | | x-3+2x=15 | | 3(0-2x)+7y=17 | | 4+4h=8+2h | | y/5-8=12 | | 5y+14=7y+6 | | 8x+9=9x+9 | | 7x-4x=-81 | | 36x^5/42x^3 | | X(5+-7)=13 | | 15y+10x=450 | | 4x+14=34-8x | | g/12=12 | | 4x+7=3x+19 | | (11/4)= | | 412.50=230x+0.73 | | 10x=7x-45 | | X(5+-4)=25 | | 4v+x=0 | | ln(x)+6=ln(-9x+3) | | 8y/24y^5 | | 11/6-4= | | y=8x^2-10x-3 |