Dear student,
This is a very nice question and most confusing also. because every student have a lot of materials to study. Before examination , student should revise only that notes in which he/she is more familiar, and most of the time teacher's notes and notes prepared by you. This notes can create an image at a faster rate. and also revision will take very less time. by this you can learn a lot of things in a very short time which will give you more confidence.
Please feel free to post as many doubts on our discussion forum as you can.
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All the best.
Regards,
Askiitians Experts
Pramod Kumar
IITR Alumni
