Note the picture: They all are important for me, but you can answer to each one you know. Regards.
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What is your point in posting such a list of statements?
I could not solve them and I need their proofs.
Originally Posted by Researcher I could not solve them and I need their proofs. Too many questions in one thread. No more than 3 questions per thread please. And please type questions where possible rather than using attachments (typesetting maths symbols can be learned here: http://www.mathhelpforum.com/math-he...-tutorial.html). Thankyou.
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