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2*tan(x)*ctg(x)
log(2)(510) = (log(10)(4))*(log(2)(510))*b;b
b
3*x^3+5*x^2-2*x+7;3*x-1
0;0
1;1
| 6c-18= | | y-36=4y-2y+60 | | 4x-11=97 | | 2x^2+3y^2-12x-24y+54=0 | | C=ym+z | | 5y+16=7y+6 | | 8(y+5)=-4y+4 | | 60X+100Y=300 | | 3x^2+3y^2+12x+6y=0 | | z=11-y | | 5x+36=7x-14 | | X+(100-x)*0.4=55 | | -36y^2-19y+6=0 | | 3d-2=5-2(-2d-3) | | x-30/100=128700 | | 3-x/3=6 | | 5x^2-6x-351=0 | | 2a+3c=130 | | 11X-6=27 | | c^2-5c=36 | | 7z-5+2=z+29 | | x^2+y^2-4x+4y=0 | | tn=5+3(n-1) | | x+.1666666667x=21 | | 0.1x7=7/ | | x+.666666667x=21 | | 15ab= | | 12c+6d=6 | | 4(m-3)-3=26-m | | 5a-5b=5 | | 3ab-5a^2b+2b= | | 27x-36+63=0 |