Here I have upload maths -2 chapter name First order ordinary differential equation in this pdf I have upload all imp topic and all type of sum have been write and can be understand in  easy way if you read this uploaded pdf you now no need to prepare form test book and hence it is important for gtu and for other college student and the question will ask form this pdf so you need to prefer it. This is help full of everyone and all the topic is cover in detail so read and practice so you can get high rank and God bless you. If there is any doubt them comment it. Thank you.