Recent content by spirally

thanks..great help Was working with a friend on getting a general solution.. Has proven to be a real problem but we giving it more tries. Thanks once again

I want to know if there is a general solution to a second order homogeneous differential equation with variable coefficients?

pls help i have practically no idea at all that is why i came to the forum for assistance. how can i show what i have done when i have no ideas at all?

an urgent help needed A bicycle pump which has a stroke of 20cm is used to force air into a tyre against a pressure of 4bar.what length of stroke will be swept through before air begins to enter the tyre when the piston is pushed (a)slowly (b)quickly. Assume atmospheric pressure to be 1 bar