y[(3^4+12-5+4*3)/10]^2
1344=64*25-x*50
$9+-6$
35+(-41
find the integral surface of the partial differential equation (x-y)^2p+(y-x)x^q=(x^2+y^2)z passing through the curve xz=a^3, y=0
3x+5y-2x6y
simplify tan tetha + cot tetha / tan tetha
F
2^x=8
