If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
21^(x^3) = 0
21^(x^3) = 0
21^(x^3) = 0
x należy do O
x in (-oo:+oo)
(9*x^2)/(21^(x^3)) = 0
(9*x^2)/(21^(x^3)) = 0 // * 21^(x^3)
9*x^2 = 0
9*x^2 = 0 // : 9
x^2 = 0
x = 0
x = 0
| (25(x^-3)(y^20))/(35(x^5)(y^4)) | | 8+4lnx=7 | | (25x^-34^20)/(35x^5y^4) | | (200-y)/y=0.05 | | (100-y)/y=0.05 | | (100-y)/y=0.1 | | -6=2(u-7)-6u | | f(4)=9 | | x-4-(8x)=-5 | | x-4(-8x)=-5 | | y-1⁄2=11/2 | | y-sup1/sup/sub2/sub | | 25-7x/15=y | | 25-7x/15=x | | 25-(7x/15)=x | | 11x-97=4x-6 | | 6x+11=16+x | | -30+8=x-20 | | x-20=-30-8 | | 4.2176=(0.45+x)*(5.325-x) | | 2x-31=9x+39 | | 4z/10-2=-1 | | 4z/10-2= | | 2y-5x=forx | | x/10-1=9 | | 3x-15+2=-7 | | 3(x-5)+2=2x-7 | | 2x(2x-1)+3(2x-1)=0 | | x/8-8=1 | | 2x+11=20-45x | | 2x+2x=90 | | 0.10(60)+0.05Y=18 |