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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
(4*x)/x-y = 0
4-y = 0
x należy do R
x in (-oo:0) U (0:+oo)
| 2/3y=2/9 | | 4.6+1.4n=1.52 | | 14+20=10x+2x | | (2n-8)/(n-4) | | c-4/5=-1/3 | | 2=2-11 | | 3x+xy+3y=1 | | 400=20n | | 6x+7x=26 | | 3x^3+72=-72y | | 3z/10-4=4 | | 3=-g | | 25a^3+20a^2= | | 2x^2+28x=98 | | (5+x)(8x)=1220 | | (3x-2)^(1/2)=7 | | x+128+86+72=360 | | -4=r/2 | | 1/2x-1/4y=5 | | x+104+119+61=360 | | 10y-2y+11=3+8x+-4x | | x/9-6=-6 | | z/7-6=4 | | 1-4y=7-5y | | 21+2(50)=650 | | 0.15n+0.05(4250-n)=0.07(4250) | | 45+x+99+102=360 | | -14091=0.6213x^2+468.84x | | z/7-6=14 | | Log(5x-15)=2 | | 81+109+129+x=360 | | (2x+1)(3x-4)-(6x^2+x-3)= |