If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
(1-x^2)^1 = 0
(1-x^2)^1 = 0
(1-x^2)^1 = 0
1-x^2 = 0
-1*x^2 = -1 // : -1
x^2 = 1
x^2 = 1 // ^ 1/2
abs(x) = 1
x = 1 or x = -1
x in (-oo:-1) U (-1:1) U (1:+oo)
(1/((1-x^2)^1))/2 = 0
(1/(1-x^2))/2 = 0
1/(2*(1-x^2)) = 0
1 = 0
x belongs to the empty set
x belongs to the empty set
| -3+.5n=.5(-n+14) | | 9y+10=17 | | L=ft+H | | (-x/y)5=(x5/y) | | 6+3+2= | | -10=2x/5 | | 1/3×8 | | (-2)=5x-9 | | 1/(1-x^2)^1/2 | | 3+2x=2+7x | | 22+2x=96 | | 4.4z-4=9.2 | | -6=-8X+6(X-3) | | 4+3n=n+2 | | 4y+3=6y-27 | | 6x+3y=240 | | -2.9=7f-43 | | -5(1+5n)+6n=-7(n+11) | | r-6n^2+1=0 | | 1.2m+1.25=.77 | | F+b=l | | 2y+2=3y-16 | | -76-3x=-11x+108 | | x/12=7.5 | | G(x)=2x^2+3x-7 | | 4-3(2x-3)+2x=(10-3x)-(x-3) | | 5p-25=-10 | | 180=25x+5 | | 2y-2=3y-16 | | X/7=18,x= | | 6-4(3-6x)+12x= | | 32+15=x |