Discover Questions

Check that the differential equation (2xy+y^3)dx+(x^2+3y^2x)dy=0 is exact. Find the general solution. Then find the solution satisfy y(1)=2? Solve x2+2x+10=0? Doesn't time change at different parts of the Univese? How can I calculate the final velocity when the the initial velocity is unknown and all I have is the mass, acceleration, and speed? A solution contains 45 g of KNO3 per 100.0 g of water at 25 ∘C. is the solution unsaturated, saturated or supersaturated?