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2.
Books are some how like a collection of message or information which can improve our knowledge.but note books are not like books. they may be a branch of knowledge
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3.
Both are equally important. Take facts and knowledge based information from books, it is raw data or information, you need to work on it, you should meditate, seperate desirable information from the vast raw data or information and you can note it down for future reference, use or distribution. So books & note books are equally important.