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D( x )
y+1 <= 0
y-1 <= 0
x+1 <= 0
x-1 <= 0
y+1 <= 0
y+1 <= 0
y+1 <= 0
x naleu017Cy do R
y-1 <= 0
y-1 <= 0
y-1 <= 0
x naleu017Cy do R
x+1 <= 0
x+1 <= 0
x+1 <= 0 // - 1
x <= -1
x-1 <= 0
x-1 <= 0
x-1 <= 0 // + 1
x <= 1
x belongs to the empty set
(1/2)*ln(y-1)-((1/2)*ln(y+1)) = (1/2)*ln(x-1)-((1/2)*ln(x+1))
x belongs to the empty set
| 4-(1/x)-(2/(x^2))=0 | | -3.3y=21.7 | | (3/4x^2)-(1/4x)-(1/2)=0 | | 12(2w-5)=4(6w+10) | | 20+8*0.5/20-x=12 | | 33-2x=6x+5 | | 7x+28=7x-14 | | -2x+6=-18+x | | 5(x+6)=40 | | (3x+40)+(2x-10)=180 | | -8y^2+4y-14=0 | | 6x-48+4x+9=180 | | 11a=0.088 | | 6E-3=25.2 | | y^4-33y^2+256=0 | | 6x-9+3x+24=180 | | 1/8=y/5 | | y^2+256/y^2=32 | | 2(4x-6y)= | | 9x-8=90 | | 14-2n=-6 | | 7x+9+9x-8=180 | | -3/8x=11 | | x^2+1/x^2-2=0 | | 10x-2+3x-3=180 | | 3x+9+3x-3=180 | | 3x+2y- 4z= -7 | | -18.473=1.3(8-m) | | 10x-2+3x+9=180 | | 3x+ 2y-4z=-7 | | 2x+4/2x^2+8x+8 | | 3x+2y-4z =-7 |